Designing and assembling parts with screw threads & gears - 3D design for 3D printing pt6

To get the best out of 3D printing, it helps if you can design your own parts. In this tutorial series, we will learn to use a free 3D CAD program to do just that.

In this episode, we add new tools to Onshape by using FeatureScript. These are very powerful tools created by community members that extend Onshape’s capabilities. The FeatureScripts utilised in this tutorial allow us to easily create screw threads and spur gears to create a working mechanism. We also examine the extra clearance needed for 3D printing these features.

0:00 Introduction
3D design for 3D printing Onshape playlist: https://www.youtube.com/playlist?list=PLGqRUdq5ULsONnjEEPeBxxStEsobDKAtV
Direct link to create a free account: https://www.onshape.com/en/products/free
Source CAD for tutorials: https://cad.onshape.com/documents/b5475ccd1f83733e348c59b0/w/f0f78c61f2ac76b0b03c0692/e/2693d666ff5f1d3749f8b85d?renderMode=0&uiState=62fb0fbda209767dfe1e6bf0

0:45 What we are designing
Paste extruder video: https://youtu.be/E6TGv0fRg-w

1:22 Thread measurements
Digital calipers on Amazon : https://amzn.to/3Bu6yjN
Thread table: https://fullerfasteners.com/tech/basic-metric-thread-chart-m1-m100-2/

1:44 What is FeatureScript?

2:23 Finding, adding and updating FeatureScript tools
FeatureScript forum section: https://forum.onshape.com/categories/featurescript
Thread Creator FeatureScript forum post with URL: https://forum.onshape.com/discussion/4867/new-featurescript-thread-creator
Spur gear FeatureScript url: https://cad.onshape.com/documents/5742c8cde4b06c68b362d748/v/4da0f2535c03b307c2802424/e/01a666571e625f8b819fd75b

3:56 How to use Thread Creator

6:31 Adjusting clearance using the Rollback Bar and Move Face

8:14 How to use Spur gear

11:16 Modelling the fidget toy

12:54 Creating a working assembly

13:49 Fastened mate

15:00 Revolute mate

15:35 Gear relation

16:53 Printing and assembly of final object
Maker’s Muse video on gear testing: https://www.youtube.com/watch?v=UtRJ4lnNAXY

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