BobsCNC
BobsCNC Evolution 4 (E4)
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Best Desktop Cnc Machines · head-to-head
BobsCNC Evolution 4 (E4) vs OpenBuilds LEAD CNC 1010
A sourced, side-by-side comparison. OpenBuilds LEAD CNC 1010 is cheaper at $1665.97. Every spec and price links to its source.
OpenBuilds
OpenBuilds LEAD CNC 1010
$1665.97
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | BobsCNC Evolution 4 (E4) | OpenBuilds LEAD CNC 1010 |
|---|---|---|
| US price | — | $1665.97 |
| Brand | BobsCNC | OpenBuilds |
| Released | — | — |
| Work area x (mm) | 610 | 730 |
| Work area y (mm) | 610 | 810 |
| Work area z (mm) | 84 | 102 |
| Spindle power (W) | — | — |
| Spindle speed (rpm) | 10,000-30,000 | — |
| Frame material | Laser-cut Baltic birch plywood | C-Beam aluminum extrusion with dual XLarge C-Beam gantry plates, Xtreme solid V-wheels |
| Controller firmware | Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield | OpenBuilds BlackBox Motion Control System (ATmega328p, GRBL 1.1) |
| Max feed rate mm min | 5080 | — |
| Repeatability (mm) | — | 0.08 |
Sources — BobsCNC Evolution 4 (E4): mellowpine.com (verified 2026-08-09). OpenBuilds LEAD CNC 1010: makertechstore.com (verified 2026-08-09).
What's the difference between the BobsCNC Evolution 4 (E4) and OpenBuilds LEAD CNC 1010?
Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.
- Work area x (mm): BobsCNC Evolution 4 (E4) 610 vs OpenBuilds LEAD CNC 1010 730
- Work area y (mm): BobsCNC Evolution 4 (E4) 610 vs OpenBuilds LEAD CNC 1010 810
- Work area z (mm): BobsCNC Evolution 4 (E4) 84 vs OpenBuilds LEAD CNC 1010 102
- Frame material: BobsCNC Evolution 4 (E4) Laser-cut Baltic birch plywood vs OpenBuilds LEAD CNC 1010 C-Beam aluminum extrusion with dual XLarge C-Beam gantry plates, Xtreme solid V-wheels
- Controller firmware: BobsCNC Evolution 4 (E4) Arduino Uno with GRBL 1.1 firmware, custom stepper driver shield vs OpenBuilds LEAD CNC 1010 OpenBuilds BlackBox Motion Control System (ATmega328p, GRBL 1.1)