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Assignment Specs & Lab Rubrics
Navigating 3D Space

Navigating 3D Space

navigating-3d-space 60 min
Draft lesson. Press Ctrl+K to search for the topic, or use the related modules below.
Standards (3)
  • 4.3 Industry-Standard Technology
    Use industry-standard hardware, software, and technology to complete tasks accurately, efficiently, and safely.
  • 1.2 Applied STEAM
    Develop and apply scientific, technical, engineering, artistic, and mathematical skills to industry-specific projects, in cross-industry scenarios, and within the context of a career pathway.
  • 5.7 Applied Academics
    Apply academic subject knowledge to real-world problem solving; apply critical thinking strategies in professional environments to successfully navigate unanticipated situations.

The task

Complete a precision course in Blender. Place, rotate, and scale objects at exact coordinates using typed values instead of dragging, use both the 3D cursor and median pivots, and prove your accuracy with orthographic screenshots.

This is a drill. Nothing here goes in your portfolio. What you are building is the muscle memory that makes every project after this one faster.

Before you start

Read Objects, Transforms, and Pivots (BLND-102).

Steps

Step 1 — Set up

New file, delete the default cube, save as LASTNAME_NavCourse_v01.blend in 01_Projects.

Step 2 — Build the frame

Place eight cubes at the corners of an imaginary 4-meter cube centered on the world origin. Each cube exactly 0.25m on a side.

Work out the coordinates before you place anything. Type them into the sidebar. No dragging.

Step 3 — Find the center

Add a UV sphere at the exact center of the frame, 0.5m in diameter. Then add a cylinder that runs from the center of the bottom face to the center of the top face, touching both. Calculate its height and Z position rather than eyeballing.

Step 4 — Fix your scales

Check the sidebar. Any object not at scale 1.0 gets Ctrl+A → Scale. Confirm the dimensions did not change.

Step 5 — Pivot practice

Snap the 3D cursor to one bottom corner (Shift+S → Cursor to Selected). Set the pivot to 3D Cursor, select the sphere, rotate 45° on Z. Note where it lands.

Undo. Switch the pivot back to Median Point and repeat the same rotation. Note the difference.

Step 6 — Prove it

Capture four screenshots:

  • Front orthographic (Numpad 1)
  • Right orthographic (Numpad 3)
  • Top orthographic (Numpad 7)
  • Any perspective view with the sidebar open, showing one corner cube’s transform values

In the orthographic views your cubes should line up perfectly. Any error will be obvious, which is the point.

Step 7 — Write it up

Post to your portfolio’s Coursework page using the standard write-up format, plus:

  • Your four screenshots
  • The coordinates you used for all eight cubes
  • One or two sentences in your own words on the difference between rotating around the 3D cursor and rotating around the median point

Submit

Google Classroom Submission: Post the link to your published Google Sites portfolio Coursework page in Google Classroom. Keep the .blend file saved in your 01_Projects directory.

Rubric

CriteriaApproachingProficientAdvanced
Frame Accuracy (4m Cube)Cubes placed by eye or misaligned; incorrect dimensionsAll 8 corner cubes placed at exact calculated coordinates (±2m, ±2m, ±2m), 0.25m sizeMathematical symmetry exact; clear precision in coordinate entry
Center ObjectsSphere or cylinder missing, eyeballed, or wrong dimensions0.5m sphere at origin; cylinder connects bottom and top cube faces exactlyExact Z calculations and scale values verified cleanly
Transform & ScaleScale values not applied (non-1.0 scales present)All objects have scale applied (Ctrl+A → Scale) at 1.0 without dimension distortionClean transform hierarchy; item properties verified in Item panel
Pivot ComparisonDifference between 3D cursor and median pivot not documentedDocumented rotation results for both 3D Cursor and Median Point with accurate explanationClear, insightful explanation in own words of how origin vs cursor influences rotation
Orthographic Proof & Write-upMissing orthographic views or incomplete write-upAll 4 views submitted (Front, Right, Top, Perspective with sidebar) plus cube coordinatesCleanly framed screenshots showing perfect alignment; well-formatted coursework post

Notes

  • Typing beats dragging: Every professional workflow depends on exact values. If you can only place things by dragging, nothing you build will fit together, and in Unreal nothing will line up.
  • The math is the assignment: Working out where the corners of a 4m cube sit is the part that transfers. Blender is just where you do the arithmetic.
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