YouTube - 動画概要欄 -
This is a longer step-by-step video about using an image file to create geometry.
Using Trace to Grease Pencil, we can convert an image into a Grease Pencil Object, which can then be converted further until we get a mesh.
After some cleanup of this mesh, we can use it to cut a hole into an object using Knife Project.
This is a step by step longer video, for a short 1-minute version, go here: https://youtu.be/LSTv2mcp3o4
More tips & free sample e-book:
⇨ https://www.blendersecrets.org/