The Axon conversion software adds support structure to prevent overhangs from sagging or collapsing. A small overhang occurs on the axle and the counterweight portion of each driver. The first step is to peel away the primary raft of PLA material and the supports.
The separated parts are shown sitting on the raft at left.
A close up view shows the remains of the white support PLA material. It is easily removed using tweezers or needle nose pliers and may be trimmed with a model knife if need be. The bottom of the drivers shows remnants of the raft. This is a thin layer and can be removed with sandpaper which also smooths the raft interface surface.
The parts fit together readily as shown at left. They will later be bonded together with some form of epoxy or super glue during the assembly process. Two additional parts, the bearings, go on the axle to interface with the chassis and springs. They are much smaller and have yet to be printed.
The wheels and axle will need to be painted to the final color before assembly. This group of parts forms an assembly with 2.675" diameter wheels on 2.875" centers approximately for size reference. The rail heads will be 2.354" across the inside edges.
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