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Old 08-08-2020, 05:01 PM   #301
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Default Re: What RC parts have you 3D Printed????

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What's the best way to mock parts for a SCX10 II chassis? Just wondering if there are models of the chassis out there that I can just build upon. Or if you guys are just busting out the calipers and measuring.



I just use calipers, typically I only need the mounting holes.
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Old 08-08-2020, 05:05 PM   #302
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Default Re: What RC parts have you 3D Printed????

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Originally Posted by HumboldtEF View Post
I just use calipers, typically I only need the mounting holes.
Yeah for the UMG10 mounting bracket, I just used calipers for the mounting holes.

I guess the area I'm interested in is the part of the chassis where it slopes down to the skid. It angles downwards, and it widens up.

I don't have a protractor on hand to measure angles, but I was wondering how that was being done by others.

Another area that interests me is potentially creating my own gearbox. Of course, I'm just taking baby steps with the chassis braces first.
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Old 08-08-2020, 06:04 PM   #303
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Default Re: What RC parts have you 3D Printed????

One thing I'm not good at is converting STL to mesh so I can use them. I just spent the last hour trying to get a better handle on it, but no such luck. Back to doing everything from scratch I guess (though I do go back to old designs to get the dimensions I need from sketches).

Soze for a spot like that I use a bit of measuring and guessing. So I'll find the length of a section and try to measure how much its rising. Then I plug those into my sketch which gets me my angle (making a triangle). Then I like to print a little test thats just a small cross section of the part so I can check if I got the angle correct.

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Old 08-08-2020, 06:44 PM   #304
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Default Re: What RC parts have you 3D Printed????

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Originally Posted by soze View Post
Yeah for the UMG10 mounting bracket, I just used calipers for the mounting holes.

I guess the area I'm interested in is the part of the chassis where it slopes down to the skid. It angles downwards, and it widens up.

I don't have a protractor on hand to measure angles, but I was wondering how that was being done by others.

Another area that interests me is potentially creating my own gearbox. Of course, I'm just taking baby steps with the chassis braces first.

I used those rails for doing all my parts. They are pretty accurate. Not perfect.

I did a motor and transmission for my SCX10.2. They are available for free download on Thingiverse. I used the kit trans internals.


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Old 08-08-2020, 06:48 PM   #305
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Default Re: What RC parts have you 3D Printed????

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I used those rails for doing all my parts. They are pretty accurate. Not perfect.

I did a motor and transmission for my SCX10.2. They are available for free download on Thingiverse. I used the kit trans internals.


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I saw it and grabbed it! I'm mostly interested to see how you designed it so that I can learn from it.

I want to create a transmission with 2 outputs so that I can divorce the rear axles of the 6x6. Something further down the road for me, as I'm just beginning and still learning the ropes around this.
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Old 08-08-2020, 06:49 PM   #306
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Default Re: What RC parts have you 3D Printed????

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One thing I'm not good at is converting STL to mesh so I can use them. I just spent the last hour trying to get a better handle on it, but no such luck. Back to doing everything from scratch I guess (though I do go back to old designs to get the dimensions I need from sketches).

Soze for a spot like that I use a bit of measuring and guessing. So I'll find the length of a section and try to measure how much its rising. Then I plug those into my sketch which gets me my angle (making a triangle). Then I like to print a little test thats just a small cross section of the part so I can check if I got the angle correct.

Thatís one thing I still havenít figured out and I too have had to just design from the ground up. Iíve see where people tell you how to do it but I am not familiar with any of the software they use to convert them.


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Old 08-08-2020, 06:50 PM   #307
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Default Re: What RC parts have you 3D Printed????

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Originally Posted by HumboldtEF View Post
One thing I'm not good at is converting STL to mesh so I can use them. I just spent the last hour trying to get a better handle on it, but no such luck. Back to doing everything from scratch I guess (though I do go back to old designs to get the dimensions I need from sketches).

Soze for a spot like that I use a bit of measuring and guessing. So I'll find the length of a section and try to measure how much its rising. Then I plug those into my sketch which gets me my angle (making a triangle). Then I like to print a little test thats just a small cross section of the part so I can check if I got the angle correct.
You probably tried reading the same thing I was, except the images are broken! LOL. I'll figure it out one way or another. It would be good if I can use them as a way to accelerate some of the design work.
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Old 08-08-2020, 06:52 PM   #308
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Default Re: What RC parts have you 3D Printed????

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I saw it and grabbed it! I'm mostly interested to see how you designed it so that I can learn from it.

I want to create a transmission with 2 outputs so that I can divorce the rear axles of the 6x6. Something further down the road for me, as I'm just beginning and still learning the ropes around this.

I use Onshape which is a lot like Solidworks. If there is a part you can use or want to modify I can share my files. Maybe save some STEP files vs STL.


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Old 08-08-2020, 07:11 PM   #309
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Default Re: What RC parts have you 3D Printed????

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I use Onshape which is a lot like Solidworks. If there is a part you can use or want to modify I can share my files. Maybe save some STEP files vs STL.


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I'm using fusion360. I'm in the process of merging the faces of the left rail right now. I will share it if I'm successful.
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Old 08-08-2020, 07:53 PM   #310
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Default Re: What RC parts have you 3D Printed????

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I'm using fusion360. I'm in the process of merging the faces of the left rail right now. I will share it if I'm successful.

I could upload the files as STEP files so you can edit them in Fusion.


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Old 08-09-2020, 01:49 AM   #311
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Default Re: What RC parts have you 3D Printed????

Measuring is a pain, but it helps when the designers use nice round numbers. I've done everything in mm and the numbers have been pretty round on my Capra, but you do get some weird numbers when things are not in plane or in line with an axis. If you can measure 3 objects and 2 of them are easy to measure or feel like they should be round numbers, plug those 2 into your model. Then measure the distance from each of those to the 3rd and put those measurements in. Your measurements won't be along an axis, but you can get the object in place and replace the diagonal measurements with X and Y measurements that are easier to understand and adjust.



Here's an example of my transmission pattern. The bottom 3 holes are obviously arranged in a square, but that top hole is in its own world. I assumed the bottom 2 were mirrored about the center, and the next one up was directly up from the bottom right hole. I then measured from 2 of those bottom 3 (probably the bottom 2) to the top hole and entered the values. That fixes the hole in space, then you can delete those dimensions and add x and y dimensions. In this case, they are pretty round at 6mm and 9.7mm.

To measure holes or posts, I've been measuring from the outsides of the holes or posts and averaging them with the inside measurement to find the center to center distance. Is this how everyone does it or is there a better way?

Like HumboldtEF said, print out little test sections of critical fitments. I like to work on my design up to a point, then slice the model to get a body that will print quickly and contains the parts of interest. Make sure they fit then move on. Honestly, I usually get close to a finished part and then realize all the things I should have done to make my design more robust and start over with the measurements in hand. I get more design time and practice and a better model.
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Old 08-13-2020, 11:16 AM   #312
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Default What RC parts have you 3D Printed????

I made a few things for my Defender. Recovery boards with mounts, front and rear bumpers (way more approach/departure angles), a new rear mount to delete the spare but keep the gas cans and mount an antenna, cover for the snorkel and ladder. Also made a few decals with my scan n cut, including the front plate. Forgot to make a matching rear I just got some red filament in so
I might redo the sand boards. And the rear bumper in black.





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Last edited by tony tt; 08-13-2020 at 11:28 AM.
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Old 08-17-2020, 05:14 PM   #313
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Default Re: What RC parts have you 3D Printed????

Yota pickup body and me to drive it



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Old 09-01-2020, 10:04 PM   #314
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Default Re: What RC parts have you 3D Printed????

Not a RC part but a part for RCin'. After much playing around and many small test prints on a new Prusa MK3/S, this is my first printed part that's useful for something. Never could one-hand a transmitter with my small hands. Created with Onshape and sliced with the Prusa slicer. I'm pleased with the results.
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Old 09-01-2020, 10:31 PM   #315
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Default Re: What RC parts have you 3D Printed????

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Not a RC part but a part for RCin'. After much playing around and many small test prints on a new Prusa MK3/S, this is my first printed part that's useful for something. Never could one-hand a transmitter with my small hands. Created with Onshape and sliced with the Prusa slicer. I'm pleased with the results.

Nice job that is one of the best thumb steering addons I've seem.
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Old 09-02-2020, 08:46 AM   #316
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Default Re: What RC parts have you 3D Printed????

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Not a RC part but a part for RCin'. After much playing around and many small test prints on a new Prusa MK3/S, this is my first printed part that's useful for something. Never could one-hand a transmitter with my small hands. Created with Onshape and sliced with the Prusa slicer. I'm pleased with the results.
That's awesome! Nice work.
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Old 09-02-2020, 10:51 PM   #317
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Default Re: What RC parts have you 3D Printed????

Thanks Gramps and Jato. Gotta start thinking about version2 as it doesn't work for my wife. Her hands are way smaller than mine so, as they say, back to the drawing board. I've got some ideas and if I can put something together that works for her, it would probably work for me too. I'll see.

Might not happen too quickly as we'll be entertaining family visitors for the next couple of weeks. Might get a chance to do a quick trail run though to see how this one works out.

Also waiting on some black filament to show up. Scheduled for delivery late next week. The grey is okay but not too much I've got planned at the moment would suit the grey. For the most part thinking the grey will be used for test printing.
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Old 09-03-2020, 01:19 AM   #318
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Trophies for our local comp, chassis braces, full bodies, trailers

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Old 09-04-2020, 11:22 PM   #319
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Those look great. Cool body
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Old 11-21-2020, 02:22 PM   #320
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Model 6 Rancher 4x4 Wagon chassis
Designed by: http://www.3dsets.com
Printed by K7ZPJ
Printed on an Orginal Prusa i3 MK3S/MMU2S
Total Print time: 73 hours and 35 minutes




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