JD and Beastlet:
Plywood cut to size
JD and Beastlet:
Drilling out the corners of the caster socket
JD and Beastlet:
Corner drilling close up
JD and Beastlet:
Corner marked
JD and Beastlet:
Ready to cut out the socket
JD and Beastlet:
Caster socket cut out
JD and Beastlet:
Pedal bolts - M6 x 1.00
JD and Beastlet:
M6 x 1.00 bolt
JD and Beastlet:
Bolt threads cut off
JD and Beastlet:
Thread tip tapered to a point
JD and Beastlet:
Tapered thread installed in pedal
JD and Beastlet:
Preparing to imprint the first reference point
JD and Beastlet:
First reference point marked
JD and Beastlet:
Pedals mounted - 01
JD and Beastlet:
Pedals mounted - 02
JD and Beastlet:
Pedals and chair together
JD and Beastlet:
Chair caster in socket
JD and Beastlet:
Hole location diagram - bottom
JD and Beastlet:
Overall plan
JD and Beastlet:
A new solution - locking chair casters
JD and Beastlet:
Two casters have brakes (Three don't)