The CPU puzzle, can you insert all of the pegs and solve it? Original design was made in brass and is sold by Puzzle Master. 

After puzzle is printed, the pegs should easily slide into the CPU block(AMD) and should be able to fall out on their own, to increase difficulty. 

No supports needed and recommend to be printed at 0.16mm layer height or finer for better holes and rounded pegs. 

Good luck and enjoy!

Original concept of this puzzle was by Rocky Chiaro. Designed as AB-L puzzle in 2004, and also known as the Magic Wands Puzzle.

CPU Puzzle (AMD)

CPU Puzzle.3mf

Version two of my CPU puzzle, bigger and harder to solve. Took the concept from the original CPU puzzle and added two more pegs. Unlike the smaller puzzle the pattern for this one is slightly more random. 

Styled to look like an Intel CPU and pegs are slightly stronger than previous. 
 
Can you solve this puzzle? Feel free to leave some feedback and post pictures of a completed puzzle. 

Good Luck and have fun.

CPU Puzzle 6x4 (Intel)

CPU Puzzle 6x4.3mf

I designed a numerical balanced D20 die that uses number objects for multi-material coloring rather than paint by number like other dice. 
This includes a 3MF model for the MMU dice and a STL for the single color recessed number die. 
All numbers are skewed to be aligned flat with the bed for best print orientation when printing in multi-materials. Just open the 3MF in your slicer (have tested Orca and Bambu Studio) and make sure to keep the extra objects as "parts", then select the D20 object and change the color. It is easier to leave the numbers as the first color and set the dice body to a new color. The dice body is name D20 and the numbers are named correctly or use a "_" to denote which part of the number it is.

All test prints were done on a Bambulab A1 mini in PLA or PETG and the max angle is 48 degrees. 
Tested at 0.12 and 0.16 layer height, 2 walls, 100% infill, and 8mm brim.
- A1 mini print times -
Single color PLA - 1:10 hours
Multi-color PLA - 0.12 - 13:30 hours (varies by purge amount)
Multi-color PLA - 0.16 - 6:45 hours (varies by purge amount)
Single color 0% fan PETG 20mm/s transparency test - 3:55 hours

Going to test more MMU dice in the future with PETG/PLA, PLA/TPU, PETG/TPU. Did one test print with clear PETG and green PLA, no issues with the two materials together but it lost adhesion with the bed, and I didn't have enough PETG for another print.

Numerically balance D20 die is based on a paper by Bosch, Fathauer, and Segerman. The point of ordering the dice in this manner is to keep the average roll at 10.5 regardless of any defects in the dice. Vertex sums average 52.5, face sums average 31.5, 20 and 1 are on opposite faces, and average roll over enough time is balanced at 10.5. 

Commercial use permitted with attribution. D20 Dice are very common, I just wanted to make this dice easier to print in FDM rather than resin.

D20 Dice Numerically Balanced MMU

D20_NB_Dice.stl

D20_NB_MMU.3mf

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CPU Puzzle (AMD)

CPU Puzzle 6x4 (Intel)

D20 Dice Numerically Balanced MMU