Autodesk Fusion 360 Quiz: Suppressing Features
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Suppressing FeaturesQuestion 1 of 10

A part timeline contains, in order, a base extrusion, a hole, a fillet that references an edge of the hole, and an unrelated chamfer. A designer wants to evaluate a version without the hole while preserving the option to restore it.

Which workflow best supports this design iteration?

Suppress the hole, then inspect whether the fillet and chamfer can recompute from the remaining geometry.
Roll the history marker before the hole and leave it there while evaluating all later features.
Delete the hole, then recreate it later from the dimensions remembered from the original design.
Hide the body containing the hole, then evaluate the unchanged model with the body invisible.
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Autodesk Fusion 360 Quiz

Autodesk Fusion 360 Quiz: Suppressing Features

Practice Suppressing Features in Autodesk Fusion 360 with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Suppressing Features, giving you a quick way to practice the rules, question types, and explanations that matter most for Autodesk Fusion 360.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A part timeline contains, in order, a base extrusion, a hole, a fillet that references an edge of the hole, and an unrelated chamfer. A designer wants to evaluate a version without the hole while preserving the option to restore it.

Which workflow best supports this design iteration?

  1. Suppress the hole, then inspect whether the fillet and chamfer can recompute from the remaining geometry. (correct answer)
  2. Roll the history marker before the hole and leave it there while evaluating all later features.
  3. Delete the hole, then recreate it later from the dimensions remembered from the original design.
  4. Hide the body containing the hole, then evaluate the unchanged model with the body invisible.
Explanation: When working with Fusion 360's parametric timeline, questions about non-destructive design iteration test your understanding of the Suppress feature versus other history management tools. The key distinction is between temporarily disabling a feature versus permanently removing or obscuring it. Suppressing the hole (answer A) is the correct workflow because Fusion 360 flags dependent features — like the fillet referencing the hole's edge — as errors, letting you immediately evaluate which downstream features can recompute from remaining geometry. The hole remains in the timeline, intact and restorable with a single click, making this a clean, reversible experiment. Answer B is tempting but flawed: rolling the history marker before the hole hides all subsequent features from view, so you cannot evaluate the fillet and chamfer at all — they simply don't exist in the active state. You're not testing whether they survive without the hole; you're just time-traveling past them entirely. Answer C is the most destructive path. Deleting the hole permanently removes it from the timeline, and recreating it from memory introduces risk of dimensional inaccuracy. This eliminates the very thing the question asks you to preserve: the option to restore it. Answer D confuses body visibility with feature suppression. Hiding a body doesn't remove the hole from the parametric model; the geometry still exists and influences dependent features. You wouldn't be evaluating a true "version without the hole." Study tip: On timeline-management questions, always ask yourself: does this action preserve parametric history? Suppress = reversible. Delete = permanent. Hiding = cosmetic only. That hierarchy solves most iteration workflow questions.

Question 2

A timeline contains a sketch, a pad, two cuts, and a final fillet. The history marker is moved to immediately after the pad, and the pad profile is edited. The marker is then returned to the end of the timeline.

What should the designer expect when the full history is restored?

  1. Only the pad updates; the cuts and fillet retain geometry cached before the rollback.
  2. The later features remain permanently suppressed until each one is manually unsuppressed.
  3. The cuts and fillet recompute in timeline order and may fail if their references are no longer valid. (correct answer)
  4. The pad edit is discarded because changes made while the timeline is rolled back are temporary.
Explanation: Whenever you see a question about Fusion 360's parametric timeline and rollback, focus on how the software handles dependencies. Every feature after a rolled-back point is essentially "downstream" — it was built on top of what came before it, so any upstream change forces those features to recompute. When you roll the history marker back and edit the pad, Fusion 360 temporarily suppresses everything after that marker so you can work cleanly. Once you return the marker to the end of the timeline, Fusion replays every subsequent feature — the two cuts and the fillet — in order, recalculating each one from scratch based on the updated geometry. This is exactly what C describes. The key risk is that if your pad edit changes a face, edge, or reference that a cut or fillet depended on, those features may fail with an error because their original references no longer exist in the new geometry. A is wrong because Fusion 360 does not cache stale geometry for downstream features — it always recomputes them. Leaving old cached data in place would break the entire point of parametric modeling. B is wrong because features are not permanently suppressed after a rollback; they automatically reactivate and replay when the marker returns to the end. No manual unsuppression is needed. D is wrong because edits made during a rollback are absolutely real and permanent — the rollback is just a navigation tool, not a sandbox that discards your work. Remember this pattern: in parametric modeling, editing upstream always triggers a downstream recompute, and failed references are the most common consequence. Watch for questions that test whether you understand why downstream features can break — it's about reference validity, not suppression or caching.

Question 3

An extruded boss is followed by a hole positioned on the boss's top face. The boss is suppressed to test a flat version of the part, but the hole reports a missing reference.

What is the most appropriate way to create a stable temporary no-boss variant while preserving both features?

  1. Hide the hole sketch so the hole can remain computed without displaying its profile.
  2. Suppress the dependent hole as well, while keeping both features available for later restoration. (correct answer)
  3. Roll the marker after the hole so Fusion rebuilds the missing top face from history.
  4. Delete the hole and retain only the boss as a suppressed feature in the timeline.
Explanation: Whenever you see a question about feature suppression in Fusion 360, focus on the parametric timeline and how parent-child relationships between features can break when a parent is removed from computation. When you suppress the boss, Fusion 360 removes its top face from the active model geometry. The hole, which was sketched and positioned on that face, loses its reference and throws an error — but this doesn't mean you should destroy either feature. Suppressing the dependent hole (answer B) is the correct move because it gracefully pauses both features simultaneously. The timeline retains the full definition of both the boss and the hole, their sketches, parameters, and relationships remain intact, and you can unsuppress both in sequence to fully restore the original design. This gives you a clean, flat variant without corrupting history. Answer A is wrong because hiding a sketch only affects visibility — it does not prevent Fusion from attempting to compute the hole feature, so the missing-reference error persists. Answer C misunderstands what rolling the marker does: rolling back positions where history is evaluated, but it cannot regenerate a face that belongs to a suppressed feature; the geometry simply isn't there for the hole to reference. Answer D is the most destructive choice — deleting the hole permanently removes it from the timeline, meaning you'd have to rebuild it from scratch when you restore the boss, which defeats the entire purpose of non-destructive parametric modeling. The key study tip: in Fusion 360, suppression cascades should follow parent-child order. Always suppress children before (or alongside) parents, and restore in reverse — parent first, then child.

Question 4

A tool body is used by a Combine feature and is hidden in the Browser. Another designer proposes suppressing the feature that created the tool body instead, claiming the two actions are equivalent.

Which statement correctly distinguishes the two actions?

  1. Hiding changes display only, whereas suppression can remove the tool geometry from downstream feature evaluation. (correct answer)
  2. Hiding removes the tool from all calculations, whereas suppression changes only its visibility in the canvas.
  3. Hiding and suppression both remove the tool from calculations, but only hiding preserves timeline history.
  4. Hiding and suppression both preserve the calculation, but suppression also hides associated sketches and joints.
Explanation: When working in Fusion 360, you need to distinguish between visibility controls and parametric suppression — two mechanisms that look similar but operate at completely different levels of the modeling pipeline. Hiding a body in the Browser is purely a display toggle. The body still exists in memory, participates in all feature calculations, and any downstream feature — like a Combine — continues to reference it normally. You're simply telling the canvas not to render it. Suppressing a feature, by contrast, removes it from the parametric timeline evaluation entirely. When the feature that created the tool body is suppressed, Fusion 360 rebuilds the model as if that feature never executed, meaning the tool body no longer exists when the Combine feature tries to reference it. This breaks or invalidates the downstream Combine, which is a very different outcome from hiding. This makes A correct: hiding is display-only, while suppression actively removes the tool geometry from downstream feature evaluation. B has the relationship exactly backwards — hiding does not remove anything from calculations; suppression does. This is the core misconception the question is testing. C incorrectly claims both actions remove the body from calculations. Hiding never does this, so the premise is false from the start. D is fabricated behavior. Neither action "preserves" calculations in equivalent ways, and suppression does not have a special rule about hiding associated sketches and joints as described. A good study rule: in Fusion 360, visibility = cosmetic, suppression = parametric. If a question pairs these two concepts, always ask which one affects the timeline rebuild.

Question 5

A timeline contains Base, Pocket, Rib, Fillet, and Chamfer. The designer compares two tests: suppressing the Rib with the marker at the end, and moving the marker to immediately before the Rib.

What is the key difference between the resulting evaluations?

  1. Both tests evaluate only Base and Pocket, but suppression permanently records that reduced state.
  2. Both tests attempt to evaluate Fillet and Chamfer, but rollback displays fewer timeline icons.
  3. Suppression deletes the Rib's parameters, while rollback preserves them for later restoration.
  4. Suppression skips the Rib but attempts later features; rollback before the Rib excludes it and every later feature. (correct answer)
Explanation: Whenever you see a question comparing suppression and rollback in Fusion 360's timeline, focus on scope — specifically, which features get evaluated and which get skipped entirely. When you suppress a feature like the Rib, Fusion 360 keeps the timeline marker at the end and continues evaluating every subsequent feature (Fillet, Chamfer) — it simply skips the suppressed feature's contribution while still processing what comes after it. The suppressed feature remains in the timeline with its parameters intact, just temporarily inactive. When you move the marker before the Rib using rollback, Fusion 360 stops evaluating at that point entirely — the Rib, Fillet, and Chamfer all disappear from the active model because none of them have been "reached" yet. This is the critical distinction that makes D correct: suppression skips one feature but attempts all later ones; rollback before the Rib excludes it and every feature that follows. A is wrong because suppression does not evaluate only Base and Pocket — it evaluates Fillet and Chamfer too, just without the Rib's geometry. B is wrong because it incorrectly claims both tests evaluate Fillet and Chamfer; rollback stops before those features are reached. C is wrong because suppression does not delete parameters — it preserves them just as rollback does. The distinction between suppression and rollback is never about parameter preservation; both keep parameters intact. As a study tip, remember this rule: suppression = skip one, keep going; rollback = stop everything at that point. That scope difference is the most commonly tested nuance between these two tools.

Question 6

After changing an early sketch, the final model reports errors in several downstream features. The designer needs to identify the earliest feature that no longer rebuilds correctly without deleting any features.

Which timeline workflow is most effective?

  1. Roll back near the edited sketch, then advance the history marker one feature at a time until the first rebuild failure appears. (correct answer)
  2. Suppress every feature showing an error icon, then unsuppress them all together once the final feature is reached.
  3. Hide all affected bodies in the Browser, then reveal them one at a time until the first failed feature becomes visible.
  4. Delete the earliest feature with a warning, then use Undo after checking whether the remaining downstream errors disappear.
Explanation: When Fusion 360's parametric timeline reports downstream errors after a sketch edit, the key diagnostic concept is sequential dependency — each feature depends on everything before it, so the first failure causes a cascade. Your goal is to isolate that earliest broken link without destroying any work. Rolling back the history marker (the blue bar in the timeline) to just after the edited sketch, then advancing it one feature at a time, is precisely how Fusion 360 is designed to be debugged. As you step forward, each feature attempts to rebuild in context. The moment you see a failure, you've pinpointed the root cause. This is answer A, and it's the most effective workflow because it leverages the timeline's built-in sequential rebuild logic non-destructively. Answer B is flawed because suppressing features hides them from the rebuild process entirely — it doesn't reveal where the failure originates, and unsuppressing them all at once just recreates the same cascade of errors you started with. Answer C conflates visibility with rebuild status; hiding or showing bodies in the Browser is a display operation only and has no connection to whether a feature computed successfully. Answer D is especially dangerous — deleting features is irreversible (beyond Undo), and using destructive edits as a diagnostic tool risks losing work permanently. Even if Undo works, this approach is unnecessarily risky and inefficient. A practical tip: think of the timeline as a film strip. Rolling back and stepping forward frame-by-frame is how you find exactly where the story breaks — always reach for that approach before touching any feature's existence.

Question 7

A hole feature creates one seed hole. A later rectangular pattern feature creates five additional instances of that hole. The designer wants to compare the patterned design with a version containing only the original seed hole.

Which feature should be suppressed for this comparison?

  1. Suppress the seed hole only, because the pattern instances remain independent after their creation.
  2. Suppress both the seed hole and pattern, because suppression cannot preserve a single pattern input.
  3. Suppress the rectangular pattern only, leaving the original seed hole evaluated in the model. (correct answer)
  4. Suppress the sketch used by the seed hole, leaving the seed and patterned instances unchanged.
Explanation: When working with patterned features in Fusion 360, the key concept to understand is the parent-child relationship between a seed feature and its pattern. The pattern feature depends entirely on the seed hole — but the seed hole exists independently of the pattern. This dependency hierarchy is what drives the correct approach here. Since the goal is to compare the model with the seed hole but without the five additional instances, you simply suppress the rectangular pattern feature (C). Doing so removes the five patterned instances while leaving the original seed hole fully evaluated and visible in the model. This is exactly the clean comparison the designer needs — one hole versus six. Answer A is incorrect because it misrepresents how patterns work. Suppressing only the seed hole would actually suppress or error out the pattern as well, since the pattern depends on the seed as its input geometry. The instances are not independent after creation. Answer B is also wrong. While it's true that suppressing the seed hole breaks the pattern, suppressing both is unnecessary and defeats the purpose — you'd end up with no holes at all, which doesn't help the comparison. Fusion 360 absolutely can preserve a single pattern input by simply leaving the pattern unsuppressed. Answer D misunderstands the propagation of suppression. Suppressing the sketch would suppress the seed hole feature (which references that sketch), and in turn would likely error or suppress the pattern — again resulting in no holes, not a useful comparison. A good rule to remember: suppress the child to isolate the parent. The pattern is the child; the seed hole is the parent — suppress the pattern, keep the hole.

Question 8

Four features occur in this order: Base, Cut, Fillet, and Shell. A designer wants to edit the Fillet while temporarily excluding the Shell from the evaluated model.

Where should the history marker be placed before editing?

  1. Immediately before the Cut, so both the Cut and Fillet remain available for editing.
  2. Immediately before the Fillet, so the Fillet is excluded but still editable in context.
  3. At the beginning of the timeline, so all feature definitions remain equally accessible.
  4. Immediately after the Fillet, so the Fillet is evaluated but the Shell is not evaluated. (correct answer)
Explanation: When working with Fusion 360's parametric timeline, the history marker (the vertical bar you drag along the timeline) controls which features are "evaluated" — meaning actively computed and visible in the model. Everything before the marker is evaluated; everything after is suppressed from the current view. This is the core concept being tested here. To edit the Fillet while excluding the Shell, you need the Fillet to be fully computed (so you can see and manipulate its result) but the Shell to be ignored. Placing the marker immediately after the Fillet achieves exactly this: the Base, Cut, and Fillet are all evaluated, giving you real feedback while editing the Fillet, and the Shell simply hasn't been processed yet. That's why D is correct. A is wrong because placing the marker before the Cut suppresses both the Cut and the Fillet — you'd be editing the Fillet without its prerequisite geometry even being present, which makes accurate editing nearly impossible. B is a tempting but critical mistake: placing the marker before the Fillet suppresses the Fillet itself, meaning it won't be evaluated at all. You can't meaningfully edit a feature that isn't rendered in the model. C is wrong because placing the marker at the beginning evaluates nothing — you'd be working on an empty or base-only model with no useful context. A helpful rule of thumb: position the marker just after the feature you want to edit, not before it. "Just after" means the feature is the last thing evaluated, giving you clean, isolated feedback while downstream features stay out of the way.

Question 9

A fillet is suppressed. While it is suppressed, the designer increases the width of the earlier base extrusion. The fillet is then unsuppressed.

How will Fusion normally evaluate the restored fillet?

  1. It restores the fillet's previously cached geometry without considering the updated base extrusion.
  2. It may convert the fillet to direct geometry because its parent feature changed during suppression.
  3. It recomputes the fillet against the updated base and may fail if the referenced edges have changed. (correct answer)
  4. It may reverse the base-width edit because suppressed features can lock their upstream dependencies.
Explanation: When working with Fusion 360's parametric timeline, you need to understand how suppression interacts with the model's history. Suppressing a feature temporarily removes it from the build sequence, but it does not freeze the rest of the timeline — upstream features can still be modified freely. When you unsuppress a feature, Fusion replays the timeline and recomputes that feature against whatever geometry currently exists. This is why C is correct: when the fillet is restored, Fusion recalculates it using the updated base extrusion geometry. If the modified extrusion has altered or eliminated the edges the fillet originally referenced, Fusion will flag an error or failure — it doesn't quietly adapt on its own. This is a core behavior of parametric modeling: features depend on their parent geometry, and any mismatch can break the feature. A is wrong because Fusion doesn't cache and replay old geometry — it always recomputes from the current state of the model. There's no "snapshot" of the pre-suppression shape that gets restored. B is wrong because Fusion doesn't automatically convert parametric features to direct (unlinked) geometry just because a parent changed during suppression. Conversion to direct geometry is a deliberate user action, not an automatic failsafe. D is wrong because suppressed features have no ability to lock or reverse changes made to upstream features. Suppression is passive — it removes the feature from evaluation but grants it no control over earlier operations. A useful study pattern: in Fusion's parametric timeline, suppression is just a temporary "skip" — when unsuppressed, the feature must re-earn its place in the current geometry.

Question 10

A legacy Fusion design was edited with design history turned off. The designer now wants to roll back individual prior operations and suppress one of them from the timeline.

Which limitation and next step are most accurate?

  1. The hidden timeline can be revealed, and all earlier direct edits will appear as separate suppressible features.
  2. Design history must first be captured, but earlier direct edits will not automatically become separate timeline features. (correct answer)
  3. Any body can be suppressed from the Browser, which reconstructs its earlier operations as timeline entries.
  4. The history marker can be enabled independently, even though no parametric timeline features were recorded.
Explanation: When working with Fusion 360's design history system, the key distinction to understand is the difference between parametric (history-on) modeling and direct (history-off) modeling. These two modes are fundamentally different in how they record — or don't record — operations. When design history is turned off, Fusion 360 operates in direct modeling mode. Changes are applied directly to geometry without being logged as timeline features. This means there is no parametric record of individual steps, and you cannot roll back or suppress specific operations because they simply weren't captured as discrete entries. To regain timeline-based control, a designer must first re-enable design history (called "capturing design history"), but doing so only starts recording new operations going forward — the prior direct edits are baked into the geometry and won't retroactively appear as separate, suppressible timeline features. That reasoning confirms B as correct. A is wrong because turning the timeline back on doesn't "reveal" hidden prior edits — those edits were never recorded as features in the first place. There's nothing to reveal. C is incorrect because suppressing a body in the Browser hides it from view but does not reconstruct any historical operations; it has no effect on the timeline whatsoever. D is misleading — you can't enable a "history marker" independently to create a functional parametric timeline without actually capturing history from that point forward; and again, no prior direct edits become retrievable features. As a study tip: on Fusion 360 exam questions, watch for the trap of assuming direct edits are "stored but hidden." They're not stored at all — once history is off, those changes are permanent geometry modifications with no parametric memory.