# @stem_antics on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DUzHlPtD4YX
- **Gondola URL:** https://gondola.cc/posts/61935911-stem-antics-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/681c758bca.jpg
- **Posted:** 2026-02-16T00:30:50.000+00:00
- **Account Owner:** Stem Antics (@stem_antics) — https://gondola.cc/stem_antics

## Caption

This is a precision machining challenge that pushes the limits of toolpath strategy, workholding, and spatial reasoning.

🔩 The process typically involves:
• Starting with a solid billet (often aluminum or brass)
• Removing internal material through carefully planned toolpaths
• Indexing the part on multiple axes (3-axis minimum, often 4- or 5-axis CNC)
• Using long-reach end mills to access internal geometry
• Maintaining tight tolerances to prevent collision or breakage

The outer cube remains intact while the inner cube is progressively freed — without detaching it. Every cut must consider:
• Tool deflection
• Chip evacuation
• Heat buildup
• Structural rigidity of the remaining material

This is where CAM programming (Computer-Aided Manufacturing) becomes the real hero. Simulation, collision detection, and step-down optimization are critical.

Projects like this aren’t just aesthetic — they demonstrate:
✨ Multi-axis machining capability
✨ Advanced toolpath planning
✨ Precision tolerance control
✨ Manufacturing creativity

Complex configurations like this are why machining is equal parts engineering and art.

Would you try this on a 3-axis machine or go straight to 5-axis? 👀 the fact this is all on a lathe is crazy
Tag someone who loves precision engineering.

#STEM #Machining #CNC #Manufacturing #EngineeringDesign MechanicalEngineering

## Stats

- **Views:** 678,274
- **Likes:** 6,874
- **Shares:** 0
- **Comments:** 44

## Tags

machining, stem, engineeringdesign, cnc, manufacturing

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