Mark model

Every number in the mark, live. Drag the arms on the canvas — grab the black one to rotate the whole assembly, grab the bronze one to unfold it.

Pose

θ₁ fork

θ₂ bronze blade

fold (θ₂ − θ₁)

The two white lines

separator

bottom ring

link ring to separator cap ring at the bearing ⌀19

Pivots

top ring — bearing ⌀

screw head ⌀ — both ends

draw the screw head

Blade

corner break R

blade width

draw the blade's 16 mm end (it protrudes) show the alignment construction

Colour

fork

bronze

ground

one colour (etched)

Export

drag the arms · shift-drag the fork to rotate it alone

fold

bronze visible

separator at 16px

etch: unmarked metal @40mm

bottom ring ⌀

legibility

vs exact alignment

blade ends protrude