How to Draw Two Interlaced Triangles in SolidWorks (Step-by-Step Tutorial)
In this tutorial, we will learn how to draw two interlaced triangles in SolidWorks. This exercise combines sketching, extrusion, circular patterns, and interference checking — ideal for beginners practicing feature operations.
Downloads
👉 Download the SolidWorks Part File (2016.SLDPRT)
👉 Download the STEP File (.STEP)
Step 1 — Create the Base Sketch
- On the Front Plane, draw a straight line and add an Equal relation.
- Set the height from the origin to 0.5 units.
- Draw a spline curve and adjust tangency using the spline handles.
Step 2 — Extrude the Profile
- Use Extruded Boss/Base (Mid Plane).
- Set Offset = 15, Depth = 8, check Thin Feature = 1.
Step 3 — Create Reference Axis
Create an axis using the Origin and the Top Plane (Reference Geometry → Axis).
Step 4 — Circular Pattern
Use Circular Pattern, select the solid body and set Count = 3.
Step 5 — Combine Bodies
Optional: combine patterned bodies using Combine → Add if needed.
Step 6 — Sketch the Second Triangle
On the Top Plane, draw a triangle sized to match the previous body.
Step 7 — Cut Extrude
Use Extruded Cut and check Flip side to cut if required.
Step 8 — Fillets
- Apply fillet radius = 3.
- Apply fillet radius = 1 for small edges.
Step 9 — Duplicate & Rotate
- Use Move/Copy Body and copy in place.
- Then uncheck copy and rotate about Origin, axis = Y, angle = 60°.
Congratulations! 🎉
You have successfully modeled two interlaced triangles in SolidWorks using sketching, extrusion, circular patterning, and interference analysis. This project is an excellent way to practice geometric relations and multi-body operations, which are essential skills for advanced SolidWorks modeling.
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