Parts that fit odd shaped objects - 3D design for 3D printing pt4

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 model a printed part that must match an obscure object perfectly. To achieve this, we use a combination of measurements and a reference photo to generate accurate geometry. We also examine why small print undersized with three potential fixes, and learn how to split parts into two.

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

0:40 What we are designing

1:16 Taking measurements and reference photos
Digital calipers on Amazon : https://amzn.to/3Bu6yjN

2:21 Importing reference image

3:50 Rotating the reference image

5:00 Scaling the reference image

5:57 Sketching, constraints and dimensions
Tutorial 1: https://youtu.be/VvpQu2rsH3A

6:46 Prototype for testing accuracy

7:56 Why do we have undersized holes?

9:00 Solution 1: Drill out hole

9:12 Solution 2: Adjust CAD dimensions

9:58 Solution 3: Slicer compensation

10:30 Finishing the design

11:32 3D printing design considerations

12:07 Split tool using a plane

13:13 Split tool using a sketch and surface

14:07 Finished part
Custom car airbox video: https://youtu.be/lCqwA1h3JV4Buy quality and affordable filament from X3D. Buy 3, get 1 free and a free sample pack with every order: www.x3d.com.au

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