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The ACU-3M exam has 35 questions and runs 0 hours 50 minutes.
These 10 free ACU-3M questions are organized by exam domain, so you can see how each part of the Autodesk Certified User: 3ds Max blueprint is tested. Reveal the answer and explanation under each question.
Two display pedestals are instances of one Cylinder. A third must share their future radius changes but needs its own adjustable Bend. All three must remain independently positioned. How should the third pedestal be created?
Correct answer: C - Make a reference, placing Bend above its reference line.
Two coaxial pipe sections have been attached into one Editable Poly object. Their facing ends remain open, separated by a short gap; each border has 12 vertices. The artist needs a continuous strip of quadrilateral faces across the gap without moving the existing border vertices. Which operation fits this topology?
Correct answer: A - Select both open borders and use Bridge.
An artist is about to convert the only saved parametric version of an enclosure to Editable Poly and overwrite the scene. Its stack is Box, then Symmetry. Handoff requires editable Box dimensions and automatic mirroring of any vent modeled on one half. Which revision preserves those requirements?
Correct answer: D - Preserve the Box; insert Edit Poly between the Box and Symmetry.
Choose a UVW Map projection for a straight-sided cylindrical bottle: the label must wrap around the sidewall, its join must sit at the back, and the cap will be mapped separately. The current Planar projection stretches the label along the sides.
Correct answer: B - Cylindrical mapping, aligned to the bottle with the seam behind it.
An appliance is one mesh with a Multi/Sub-Object material. Its submaterial list reads: First row: ID 8 = red paint. Second row: ID 3 = black rubber. The feet render red, although their UVs are correct. Which assignment makes the feet use the rubber without splitting the mesh?
Correct answer: A - Assign Material ID 3 to the selected feet polygons.
During an elbow-bend test, a small patch of the character's rib cage moves with the forearm. The bone hierarchy is correct, and the surrounding torso deforms properly. Skin reports these normalized weights on the affected vertices: Spine: 0.65. Forearm: 0.35. The patch should follow the spine alone. What is the most focused repair?
Correct answer: C - Give those vertices spine weight 1.0 and forearm weight 0.0.
A camera cuts away the front of a vase, but the vase is intact in the Perspective viewport. Manual clipping is enabled: near = 0.50 m and far = 100 m. The missing surface is 0.30 m in front of the camera, measured along its viewing axis. The shot's framing must not change. What restores that surface?
Correct answer: D - Set the near clipping distance to 0.10 m.
Constant Velocity is enabled on a delivery cart's Path constraint, yet the cart still eases in and out on a fixed spline. Its only Percent keys are 0% at frame 0 and 100% at frame 100, and the Percent curve is S-shaped. To obtain uniform speed between those keys, which edit is needed?
Correct answer: B - Make the first Percent key's Out and the last key's In tangents Linear.
Using the Scanline Renderer, a leaf card has a Standard material with an opacity bitmap. The rendered leaf outline is correct, but its Shadow Map shadow is a solid rectangle. The light must cast the leaf's cutout silhouette. Which change addresses the cause?
Correct answer: A - Switch the light to Ray-Traced shadows.
An Arnold render shows a product clearly through one glass panel but loses it behind several identical, parallel panels. Camera clipping includes the whole scene, and the glass surfaces have correct normals. Increasing transmission samples reduces grain without restoring the product. Which setting is the next one to check?
Correct answer: B - Transmission ray depth.
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