Image added in Web Design Collection in Web Design Category
Compartes Melrose / AAmp Studio @AAmpstudio #plan #section #detail
And that's how the Japanese do it. Wood working!:
Wooden center square - How to make and use
Cylinder Center Finder by abapemilo - Thingiverse
Use this handy homemade tool to accurately determine the centre of a square or circular work piece.
Create Dovetail Mortise And Tenons In Timbers | Toolmonger