Screwdriver

type a screws

2d zip screws

3d pieces

structural profiles

How to draw a thread in 6 steps mixing surfaces and solids

Hexagonal screw

isometric piece

Screws – bolts – nails

bolt with nut 3d

hex bolts

Piston

3d object – dimension

Gear arm – technical drawing

Screws

2d screw

3d screw and hexagonal nut m16

3d spring

m6 screw

Isometric views of parts

3d bearings