3018 vs Shapeoko: Which One Should You Buy?

Cutting your first sign or a batch of personalized nameplates starts with the same question: is a 3018 enough, or should you buy the bigger machine? The 3018 vs shapeoko question is really about class: the 3018 is the entry-level desktop CNC router class with a roughly 300 by 180 mm work area, and the Shapeoko is the larger, pricier alternative shoppers weigh it against. If you want the stated entry route to cutting wood, acrylic and MDF at home, the 3018 class wins; if you need a bigger stated work area and a stiffer stated frame, the 3020 class is the step up this guide covers with stated figures.

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What a 3018 is, as the listings state

The Twotrees TTC3018 Pro states a 300x180x40mm working area in a 420x355x280mm compact size at 15 pounds, which is the 3018 formula: a desktop footprint, a small work area, and a kit you assemble. The listing states an all-metal Z-axis with T8 backlash-eliminating lead screws and 0.1mm positioning accuracy, a 775 spindle motor at 7000-9000RPM, an ER11 collet from 0.5 to 7mm, and 10 standard cutters in the box. The materials are stated as wood, acrylic, MDF and nylon, with aluminum and brass sheet processing stated as supported. The control board is stated as 32-bit GRBL over a wired USB connection, with no TF card slot, no Bluetooth and no WiFi, transferring .nc and Gcode files by USB cable, compatible with Windows XP, 7, 8 and 10, plus ArtCam and Fusion360 on Windows and Mac OS.

The Genmitsu 3020-PRO MAX V2 states the step-up class: a working area of 11.8 in x 8.1 in x 3.1 in on a 4040 Y-axis profile, with a one-piece machined and molded aluminum spoilboard carrying a measurement scale. It states a dual steel X-axis guide rail, a molded Z-axis C-mount, a pre-assembled XZ gantry and base, and Grbl V1.1 with Toshiba TB6S109 drivers on 32-bit chips. The extras are stated: an offline controller, 6 XYZ axis limit switches, emergency stop switches, a photoelectric Z-probe, a 3-pin laser port, an air assistance pump port and an MPG port. The spindle is stated at 12000 rpm and 0.4 hp, and the machine at 14.86 kg on 230 volts.

3018 vs Shapeoko: the real question

No Shapeoko listing is in the data for this guide, so the honest answer compares what the listings state: the 3018 class against the 3020 class. The question underneath is work area and ambition. The Twotrees states 300x180x40mm, enough for nameplates, small signs and the DIY and small business production the listing names. The 3020-PRO MAX V2 states 11.8 in x 8.1 in x 3.1 in, a bigger stated envelope with a stiffer stated frame: 4040 profile, dual steel X rails and a molded Z C-mount. If your projects fit the stated 3018 envelope, the 3018 route is the stated entry point; if you keep bumping into the edges, the stated 3020 figures are the next class up.

Assembly and workflow differ too. The Twotrees states a 40-plus component disassembly kit that teaches XYZ-axis motion while assembling, with first projects in 10 minutes. The 3020-PRO MAX V2 states a pre-assembled XZ gantry module and base assembly with pre-organized wiring and a drag chain, needing only final connections. The Genmitsu 3018 Y-axis extension kit states an upgrade path for existing 3018 machines to 3040, compatible with most 3018 routers including the 3018-PRO and 3018-MX3. That stated kit is the middle answer: keep the machine, widen the Y axis.

The gear: three 3018-class picks, ranked

The Genmitsu 3020-PRO MAX V2 is the capability pick: the biggest stated work area here at 11.8 in x 8.1 in x 3.1 in, the stiffest stated frame, and the fullest stated electronics with limit switches, e-stop switches and a Z-probe. The Twotrees TTC3018 Pro is the entry pick: a complete stated kit with 10 cutters, an ER11 collet and a 775 spindle at 7000-9000RPM, in a 15 pound desktop package. The Genmitsu 3018 Y-axis extension kit is the upgrade pick: not a machine, but the stated path from 3018 to 3040 for machines you already own.

Work area: 3018, 3040 and 3020

The numbers that matter are the stated working areas. The Twotrees states 300x180x40mm. The extension kit states an upgrade from 3018 to 3040, which is the Y axis growing while X stays. The 3020-PRO MAX V2 states 11.8 in x 8.1 in x 3.1 in. Measure your typical project: nameplates and small signs fit the stated 3018 envelope, while larger panels want the stated 3020 figures. Where a listing leaves the area unstated, as the extension kit does beyond the 3040 name, we say so.

Spindles, control and software

The Twotrees states a 775 spindle motor at 7000-9000RPM with a stated max rotational speed of 9000 rpm, and an ER11 collet covering 0.5 to 7mm with 10 standard cutters. The 3020-PRO MAX V2 states 12000 rpm and 0.4 hp. For control, the Twotrees states 32-bit GRBL over wired USB with no wireless options, transferring .nc and Gcode files by cable. The 3020-PRO MAX V2 states Grbl V1.1 on Toshiba TB6S109 drivers with 32-bit chips, plus an offline controller so the PC does not have to stay connected. Software stated on the Twotrees side is GRBL, ArtCam and Fusion360 on Windows and Mac OS.

Upgrading instead of replacing

The Genmitsu extension kit states the upgrade route to a bigger machine without replacing it: keep the 3018, widen the Y axis to 3040, and follow the stated assembly steps. The 3020-PRO MAX V2 states the fuller upgrade: a stiffer frame, a bigger stated envelope, limit switches and a probe, and ports for a laser, an air assist pump and an MPG handwheel. The Twotrees states the kit teaches assembly itself. Pick the kit if the frame still satisfies you, the extension if only the Y axis pinches, and the 3020 class if you want the stated rigidity and electronics in one purchase.

FAQ: lasers and CNC

What does 3018 mean?

It names the desktop CNC class with a roughly 300 by 180 mm work area. The Twotrees listing states 300x180x40mm, which is the figure behind the name.

Can a 3018 cut aluminum?

The Twotrees listing states aluminum and brass sheet processing as supported, with an all-metal Z-axis and T8 lead screws. The 3020-PRO MAX V2 states itself as a 3-axis engraver for metal as well as wood, acrylic, PCB and MDF.

Do I need a PC connected while it cuts?

The Twotrees states a wired USB connection to the PC with .nc and Gcode files transferred by cable. The 3020-PRO MAX V2 states an upgraded offline controller, so the PC does not have to stay connected.

Can I make a 3018 bigger later?

The Genmitsu 3018 Y-axis extension kit states an upgrade from 3018 to 3040 for most 3018 machines, including the 3018-PRO and 3018-MX3. That is the stated middle path between the 3018 and the 3020 class.

What software works with these?

The Twotrees states GRBL, ArtCam and Fusion360 compatibility on Windows and Mac OS, with 32-bit GRBL on the control board. The 3020-PRO MAX V2 states Grbl V1.1.

How heavy are these machines?

The Twotrees states 15 pounds in a 420x355x280mm size. The 3020-PRO MAX V2 states 14.86 kg. The extension kit states no weight figure in the shown text.

Related: 3018 vs 3020 CNC router for the closer comparison, best CNC bit set for engraving to tool up, and 2×4 vs 4×4 CNC router if you outgrow the desktop class.