# Mechanical

## Overview

Welcome to the Mechanical Onboarding for the 2025-2026 school year!

## Goals

- Learning 
    - How do we use CAD software in SCR?
    - What is a part file?
    - How can you import part files?
    - What is an assembly file?
- Practical 
    - How to use Onshape
    - How to design parts for 3D printing
    - Export, slice, and print 3D models

## Getting Started

**Create an onshape account**

Navigate to [onshape](https://web.archive.org/web/20250912192145/https://www.onshape.com/en/sign-up) and create an account. Select education, student, and college. Choose the student plan and search for the **University of Oklahoma**.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755201826151.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755201826151.png)

## Joining The Onboarding Team

Send your onshape account email in the onboarding-mechanical discord channel.

Once you've been added to the team you should be able to see the shared parts folder for onboarding.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755203222772.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755203222772.png)

## Creating Parts

This tutorial will go through the steps for creating a payload bucket.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755206671602.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755206671602.png)

and create a document for your parts in your teams onboarding folder

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755203762337.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755203762337.png)

Open the document and select **Sketch**

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755206407149.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755206407149.png)

Choose the top plane to start your sketch. You can hide the front and right planes while editing this sketch like this

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755206481769.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755206481769.png)

Create a **center rectangle** and dimension it at 1.85in on each side.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207216154.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207216154.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207141540.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207141540.png)

Select **extrude** and extrude at a depth of 1.85in.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207315247.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207315247.png)

Select the 8 edges of the part and create the following fillets

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207410635.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207410635.png)

Create the following shell on the top face of the part.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207516363.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207516363.png)

Create the following sketch and dimensions on the front face of the part

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755207987967.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755207987967.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208111361.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208111361.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208187732.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208187732.png)

Select the circular pattern tool

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208702043.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208702043.png)

Select the outer circle and move the origin of the pattern to the inner circle.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208746850.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208746850.png)

Change the count of the pattern to 4 and the angle of the pattern to 270.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208813592.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208813592.png)

Exit the sketch and select the **extrude** tool, then choose **Remove**, **Up to next** and select the back of the front face of the part.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208940006.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208940006.png)

The final part should look as follows:

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/scaled-1680-/image-1755208968714.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-08/image-1755208968714.png)

## Follow Along

Navigate to **SCR Onboarding 2025-2026 shareable** and copy the **3D Prints** workspace to your team's folder.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757447437545.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757447437545.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757447545472.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757447545472.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757447572132.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757447572132.png)

Edit the components based on the engineering drawings below.

Note: The provided variable table may be helpful for convenience.

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757447721644.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757447721644.png)

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757447741844.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757447741844.png)

### Base

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757455572025.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757455572025.png)

### Enclosure

[![](https://web.archive.org/web/20250912192145im_/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/scaled-1680-/image-1757457171863.png)](https://web.archive.org/web/20250912192145/https://wiki.soonerrobotics.org/uploads/images/gallery/2025-09/image-1757457171863.png)

The team name is a **.025in** cut on the enclosure surface

### Line Follower Mount