UPDATED to fix a calculation for the taper angle in Photopea

This is my method for laser engraving a round logo on a cylindrical or tapered glass, mug, tumbler, etc. I go over what to look out for and the free software I used to alter the image to better fit on a tapered glass.


Taper Calculator:
https://www.omnicalculator.com/constr...

Photopea:
https://www.photopea.com/

Arc Length Calculator:
https://www.omnicalculator.com/math/a...

XTool RA2 review:
   • xTool RA2 Pro Review | 4-in-1 Rotary ...  

Affiliate links:
xTool D1
https://store.xtool.com/?ref=KD05RjSY...

xTool RA2 Pro
https://www.xtool.com/products/xtool-...

Find the grid file and feet here: (RA2Pro_Grid.lqx)
https://www.thingiverse.com/thing:509...

Buy the 3D printed feet here:
https://www.etsy.com/listing/1101241782

00:00 Intro
00:29 Cylindrical Objects
02:59 Finding the taper angle
08:07 Photopea Software
12:28 Adjusting Laserbox basic settings
19:12 Prepping glass for engraving
20:38 Engraving and final result