Last week I ordered some Epoxamite from Smooth-On to use in stiffening up the papercraft model of the Spectre legs I constructed. There were 3 different hardeners to choose from when buying the epoxy resin (101, 102, and 103). I ordered 102 which is a medium cure-time epoxy and found that the cure time is quite long. Next time I'd get the 101 to speed things up. Basically have to leave the material to cure overnight and then some with the 102.
Coated / laminated the outside of the pep model with a thin layer of Epoxamite and waited a day for it to cure. The rigidity of the model after the coating left a lot to be desired (card stock at large scales is pretty weaksauce flimsy) and the model was still flexible. So I separated the shin bit of the model from the boot bit and cut up some tight-weave (what I had on hand) fiberglass cloth and coated the insides w/ fiberglass. A day later and the rigidity is now at an acceptable level. Next steps will be to trim excess fiberglass and smoothen the inside of the model as the fiberglass is pretty sharp and rough / jagged.
The boot looks pretty hideous by itself. I'll need to make an incision and splice a few inches of length to the final segment so I can meld it to a pair of dress shoes I have laying around. I'm not yet sure how I'm planning to work with the shoes because if there's no flexibility in the model during walking in the toe area, the model will fracture / separate from itself or walking will look incredibly awkward.
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