4/22/2015 update
"Navy Wheel" Master parts in HDSL

HDSL, ...High Definition Stereo Lithography, makes beautiful Master parts from AutoCAD STL.

Umkehrwalze HDSL Master

Front view of the Umkehrwalze master.

HDSL masters are 1/2 percent larger
to allow for casting shrinkage.

Rear view of the Umkehrwalze
HDSL Master

Note the 'C' on the side which corresponds to the 'Gamma' Umkehrwalze
( Reflector)
Different angle
Rear view of the Umkehrwalze
HDSL Master.

Note the 'Cam lobes'


"Navy Wheel" Master parts in HDSL

HDSL, ...High Definition Stereo Lithography, makes beautiful Master parts from AutoCAD STL.

HDSL Master



Here we see the final pressure cast Thumbwheel
...complete with all holes right out of the mold..


HDSL Master
The Ratchet on the left is produced in HDSL.
From this master Ratchets can be cast.
The nearly complete "Navy Wheel" (Rotor) is made up of several cast parts along with brass and aluminum components.