1.2.2 - Stage 1A (Fundamentals)
Objective: Learn the core building blocks of 3D modeling: 2D sketches, constraints, and turning those sketches into parts with Extrude.
Now that your workspace is set up, start designing. Almost every robot mechanism begins as a 2D sketch that is extruded into a 3D part.
Use the Team 2064 Onshape Classroom as your workbench, and follow the FRCDesign.org tutorials.
Step 1: Open your workbench
Section titled “Step 1: Open your workbench”Open your working document first so mates and constraints are saved in the team folder, where mentors can review them.
- Open the Stage 1A assignment portal.
- Launch your document from the classroom link. Do all sketching and assembly work in that file.
Step 2: Complete the training exercises
Section titled “Step 2: Complete the training exercises”Work through these three sections in order. Read the FRCDesign instructions, then do the steps in your Onshape document.
Part 1: Studio fundamentals and setup. How Onshape handles sketches, planes, and document organization. Open section 1
Part 2: Designing plates. Techniques for 2D plates, the most common custom parts on an FRC robot. Open section 2
Part 3: Assemblies and mates. Connect parts into a working mechanism. Open section 3
Step 3: Return checklist
Section titled “Step 3: Return checklist”- Create a sketch on a specific plane (Top, Front, or Right)
- Use constraints (coincident, vertical, horizontal) to lock a drawing
- Dimension a part with the D key
- Use a solid extrude to turn a 2D shape into a 3D part
- Use fastened and revolute mates to connect parts in an assembly
Step 4: Submission
Section titled “Step 4: Submission”- Click Submit in the Onshape Classroom.
- Tell a CAD mentor or your subteam lead. They will review mate logic and sketch constraints in your workbench file.
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