Pain knobs

prusaprinters

<p>I've done enough practical design today, time for some fun. &nbsp;These pointy knobs are meant to be uncomfortably prickly on your grubby little hands. &nbsp;You can use them to keep the cookies at bay, or to take your mind off some other pains. &nbsp;The stellated dodecahedron shapes have two choices for bases and the other is a non-geometric pattern of spikes.</p><p>While I wanted to make these horribly sharp, long-pointy things, I also wanted them to be easily printable. &nbsp;No supports needed. &nbsp;As long as you have slower speeds or plenty of cooling, the overhangs will remain tidy. &nbsp;Hole is 2.6mm for 3mm fastener to self-tap. &nbsp;Printed in a variety of PLA filaments with 15% cubic infill, though gyroid or non-directional fill would also work nicely.</p>