Stinger displays images in the air by using a single column of LEDs. Special computer code converts graphics to pixels; then, the pixels are send to the strings of LEDs, which with the help of of the motor's fast movement the most colorful are displayed on thin air.

All metal A3 CoreXY pen plotter

I saw a video of some one pouring resin in a mold,so i did a little research, i bought some resin,and some molds and magnets all from Amazon, it took me several tries and a big mess but it finally finished. The first pour i poured a small batch to make a templet,i marked all the holes that needed drilling then i marked the underside of the mold where i wanted the magnets, next was making the pcs i needed