Why Revolved boss/base in Solidworks? - Purpose & Use Cases

The Big Idea

What if you could create complex 3D shapes by just spinning a simple 2D sketch?

The Scenario

Imagine trying to create a 3D shape by manually drawing every curve and surface on each side, then connecting them piece by piece. It's like sculpting a vase by hand without any tools, just guessing the shape as you go.

The Problem

This manual method is slow and full of mistakes. You might spend hours redrawing curves, and if you want to change the shape, you have to redo everything. It's easy to lose track of dimensions and end up with a shape that doesn't fit your needs.

The Solution

The Revolved boss/base feature lets you draw a simple 2D profile and spin it around an axis to create a perfect 3D shape instantly. It saves time, reduces errors, and makes changing the design as easy as editing the original sketch.

Before vs After

✗ Before

Draw front curve
Draw side curve
Manually connect surfaces
Adjust dimensions repeatedly

✓ After

Sketch 2D profile
Select axis
Use Revolved boss/base to spin profile
Edit sketch to update shape

What It Enables

It enables quick creation of smooth, symmetrical 3D parts from simple 2D sketches, making design faster and more flexible.

Real Life Example

Designing a bottle shape for a product: instead of modeling every curve, you sketch the bottle's outline and revolve it to get a perfect, smooth bottle body instantly.

Key Takeaways

Manual 3D modeling of revolved shapes is slow and error-prone.

Revolved boss/base spins a 2D sketch to create 3D parts quickly.

It makes design changes easy and saves a lot of time.