Pet Prosthetic 3D Model (READ DESCRIPTION)

This is an experimental model for providing a cheap means by which to give a pet a prosthetic leg. Inspired by a kitten born into our home missing a leg, this model hopes to explore a means by which to potentially restore some mobility.

Important: 

• This model has not been medically approved and is simply a proof of concept. If this model sees any discomfort or danger during attempted use, discontinue immediately. The idea is to help animals, not pose a greater risk towards them. 
• “Upper_Mesh” has been designed to be printed in TPU filament, as to provide flexibility and comfort for the animal using it. PLA, with its rigidity, is NOT recommended for this part and could cause unnecessary discomfort.
• “Lower_Nub” and “Foot_Screw” were designed to be printed in PLA, as to have structure and durability. These should be attached with a strong adhesive to the upper part.
• This build requires outside materials and adjustments to tailor it for individual use cases and comfort. This is outlined under Instructions.
• ALWAYS consult a veterinarian about the best course of care for your pet. Some pets live without limbs better than with a prosthesis, so consider the risks involved with a prosthetic before using. 
• This model is only designed for animals with lower limb loss.

Instructions:

• Print models accordingly, with “Upper_Mesh” in TPU and “Lower_Nub” and “Foot_Screw” in PLA. Infill percentages shouldn't drop below 60-75%, as to retain structural rigidity and to avoid the risk of fragmentation into hazardous pieces. Print with support structs according to preference. Importantly, resize the model as necessary in your native printing software. The diameter of the upper ring is 17.00 mm x 17.00 mm, transitioning into 12.50 x 12.50 at the bottom. The height of the “Upper_Mesh” is 26.50.
• After printing, clean up any supports and sprues that may be attached to the models. For the “Upper_Mesh”, its recommended to snip off any excess supports with fine scissors. For the PLA parts, fine pliers/tweezers are recommended, and sharp corners can be sanded down or rubbed down with diluted acetone to avoid the potential for injury.
• After clean up, it's recommended to line the inside of “Upper_Mesh” with a soft lining of cotton or felt as to avoid abrasions. the bottom of the mesh should ideally be capped with a wad of soft material for cushioning, secured with a safe adhesive.
• Attach “Lower_Nub” to “Upper_Mesh” at the attachment points (bottom of Upper and top of Lower) with a strong adhesive.
• For the “Foot_Screw”, line the bulb at the bottom with a grippy material, ideally rubber or even electrical tape for added friction. This is most important for surfaces that as smooth such as tile. If desired, “Foot_Cup” may be printed in TPU or another grippy filament to be directly attached to the bottom of the bulb.
• Screw the “Foot_Screw” into the negative space under “Lower_Nub”. Adjust as necessary for the best comfort, and ideally adhere to the chosen position with an adhesive to avoid any shifting.
• When securing to the limb, DO NOT impede blood flow in any way by constricting the limb or adding unnecessary pressure. If the model is too tight, resize. The model is lightweight and should remain attached through a snug fit.

Credit:

Mesh design between rings in “Upper_Mesh” sampled from "Prosthetic Arm" by LLAFFA

https://cults3d.com/en/3d-model/fashion/prosthetic-arm

Rest of design is original production.