I 3D-printed Spike and Sakura Spike! Penny (no, not that one) for scale. Credit to original models by Thingiverse user Ferrumm but I had to design the face because there wasn't one
garden spike 3D Models to Print - yeggi
This was done completely in Vase Mode : r/3Dprinting
Penny Brawl stars by Ferrumm - Thingiverse
3D Printing “Spikey” Commemorative Coins with the Wolfram Language
3D Design Tour with Penny Traps: Tinkercad, Fusion 360, OpenSCAD
3D Printing “Spikey” Commemorative Coins with the Wolfram Language
3D Printed Miniatures
The Future of Props and Make-Up Effects: 3D Printing Large Props
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Spike Brawl stars by Ferrumm - Thingiverse
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3D Printed Vintage Winged Sprint car while turning 1:25 by
3D Printing “Spikey” Commemorative Coins with the Wolfram Language
Spiky Mountain Dragon - Articulated - Print in Place - No Supports