Fate/Grand Order 1/4 ScaleRuler/Altria Pendragon - Premium Collectibles from Gamersheek
Practical Tips to use Rulers by ED. - Make better art | CLIP STUDIO TIPS
Small ruler (~6 inch) with strange markings. Bought a slide rule on eBay and this small ruler came with it. I can't figure out its purpose. : r/whatisthisthing