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Sculpfun · Diode
Sculpfun S30 Pro Max 20W
Sculpfun's Pro Max 20W — proven open-frame before the Ultra refresh
Last updated How we evaluate
Released November 2022
What this machine is for
20W Sculpfun open-frame for engraving and cutting
Reference benchmark same job size on every machine so you can compare times fairly.
Laser spot size
~0.08 mm spot
Smaller spot = finer detail (frame motion is usually the same across tiers)
Motion precision: 0.01 mm
Sample engrave job
~12–18 min
Filled photo or logo on birch plywood
10 × 10 cm (4 × 4 in)
Sample cut job
~6–10 min
Simple square cut-out from 3 mm basswood
10 × 10 cm (4 × 4 in)
Times are estimates for the reference job above; your design complexity and settings will change them.
TL;DR
S30 Pro Max 20W is Sculpfun's earlier high-power open-frame. Still capable for wood and leather; Ultra 22W/33W superseded it for new buyers but used units remain popular.
What this machine is for
Sculpfun 20W workhorse for hobby engraving and cutting.
Best for
Materials
Engraves
- · Wood
- · Leather
- · Acrylic (dark)
Cuts
- · 5 mm basswood
- · Thin acrylic
Cannot do
- · Latest Ultra features
- · Enclosed smoke control
Pros
- ✓Huge Sculpfun community
- ✓Large bed
- ✓LightBurn
- ✓Often discounted used
Cons
- ✗Superseded by S30 Ultra
- ✗Open frame
- ✗20W not latest Sculpfun power
Beginner notes
Compare used S30 Pro Max vs new S30 Ultra 22W before buying.
Pro tips
Air assist and honeycomb are worth adding day one.
Pro / technical specs
Raw numbers for experienced users comparing machines.
- Laser spot size
- ~0.08 mm spot
- Max speed (spec)
- 600 mm/s
- Avg engrave speed
- 60–150 mm/s fill
- Avg cut speed
- 4–10 mm/s on 3 mm wood
- Motion precision
- 0.01 mm