@_Maatarou As a tip, you can make any brush do this if you check the box under brush settings > "Anti-overflow" > "Do not cross lines of reference layer" !
(Sorry for only being in english-- I don't know how to change the language in clip studio paint. 😅)
@horrifichymns i'm forever a blender g/uru hater. cgcookie's blender basics & press start courses are free & a good intro to the program without too much yapping imo