Roller Crocs by Dat_Carrot
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These are all the files you need to turn your size 10 men's Crocs into the world's most stylish 3D printed roller skate masterpieces. They were printed in black PETG on my Ender 3. All of the files are for the left croc and you will have to print another set that is mirrored to have the components for the right shoe.
I printed these all with 100% infill for maximum strength. Supports were used for the overhangs on the axle holders as I printed them vertically. I did not use supports for the channels that hold the axle holders, it bridged those very well.
I had to print the fronts and backs of the foot plates separately as the whole piece did not fit on the build plate of my Ender 3. This is by far the weakest point of the design but if you have a larger volume printer and can print the whole piece I would highly recommend doing that.
The tolerances are very tight (definitely not because I neglected to include tolerances at all in the design) so the pieces will need a little bit of massaging with sandpaper or a file to slide together.
I used 5/16" threaded rod for the axles because I live in the USA and none of the hardware stores had 8mm. It fits the standard skateboard bearings very well and honestly I'm happy with the fitment in the end. I used nylon lock nuts on the ends because regular ones will just spin off with the rotation of the wheels.
I used the standard 608 size skateboard bearings and 52mm skateboard wheels that I got from my local skate shop.
I used a sawzall to cut the threaded rod to length and a dremel tool to remove the burs. the lengths I used were about 182mm for the rear axles and about 208mm for the front axles. You might have to make yours longer depending on what kind of wheels you decide to use. Make them a little bit longer than you think you need them to be because you can always grind them down later.
To attach the front and back foot plates together I used Gorilla Glue. It's solid enough for me but having it be all on piece would be stronger. I did not use anything to permanently affix the axle holders as the friction was way more than enough. To stick the crocs onto the skate part I used Flex Glue Clear. Yes the one that Phil Swift used to make a glass boat. It is actually an amazing product and worked phenomenally in this application being thicker than Gorilla Glue and able to get in the tread of the croc and really stick it to the plate.
The bottom of the foot plate looks like it's messed up in the thumbnail preview but its not. Its just the preview that looks wrong, once you put the STL in your slicer it's perfect. I don't know why that preview is messed up like that and the others aren't but oh well.
I have added a reinforcement plate file after testing the skates. The glue on the left shoe holding the front and back together let go after a rolled off the driveway and into the grass landing and putting all pressure on the left foot. The reinforcement plate is meant to be super glued to the bottom of the foot plate between the axle holders. This will allow you to put more pressure on the skates without them failing. I would highly recommend everyone who prints the foot plates in two pieces use the reinforcement plates.
Disclaimer: I do not take any responsibility for any injuries caused by misuse of these skates. They are novelty items and cannot take the same abuse as real roller skates. These were made as a joke. I'm just a high school student who likes to make stupid things for fun. I also have no relationship with Crocs in any way. Blah blah blah legal stuff don't sue me.
Please.
Oh and speaking of that legal stuff it's in the copyright thing creative commons whatever that everyone who makes these shall send me pics and videos by posting their make or PM me on reddit u/FaceMan8zillion
I think that's it, if I left out any details ask a question in the comments, I will answer it.
Video: https://youtu.be/Y4ljTBRRzho