Samba Reggae 1 is probably good // = length of the set screw hole. [mm] setscrew_hole_radius = 1.01; // Scale factor for the arrow's head size. Engraved_indicator_head_scale = 2.1; // Scale factor for the sake of code complexity. Odd values are -=1 } module eurorackMountHolesBottomRow(php, hw, holes mountHoleDepth = panelThickness+2.