Twotrees TTC450 Ultra
#1 in MidsizeFull review
A good value step up from 3018 class machines for someone who wants a real spindle and an 18 in bed without spending $1,000.
Amazon $799 Twotrees $699$699
The Twotrees TTC450 Ultra is the better CNC router overall, rated 3.2 to 3.0. The Twotrees TTC450 Ultra leads on motion, price and work area. The Onefinity Apprentice wins on warranty. The Twotrees TTC450 Ultra costs $296 less ($699 vs $995).
Onefinity Apprentice
#3 in MidsizeFull review
A first CNC for signs and small woodworking projects from a maker with a large accessory range. Add a router to the price.
Onefinity $995$995
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Twotrees TTC450 Ultra for motion (linear rails, screw or rack drive, limit switches vs screw or rack drive), price ($699 vs $995) and work area (328 sq in (18.1 x 18.1 in) vs 272 sq in (16.5 x 16.5 in)).
- Choose the Onefinity Apprentice for warranty (2-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every midsize CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Twotrees TTC450 Ultra | Onefinity Apprentice |
|---|---|---|
| Overall rating | 3.2/5 | 3.0/5 |
| Price 25% | 81 $699 | 62 $995 |
| Work area 15% | 12 328 sq in (18.1 x 18.1 in) | 3 272 sq in (16.5 x 16.5 in) |
| Spindle 15% | 66 500 W spindle | 50 spindle power not published (neutral score used) |
| Motion 20% | 85 linear rails, screw or rack drive, limit switches | 30 screw or rack drive |
| Warranty 25% | 0 1-year warranty | 50 2-year warranty |
Specifications
| Twotrees TTC450 Ultra | Onefinity Apprentice | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 18.1 x 18.1 x 3.9 in | 16.5 x 16.5 x 4.5 in |
| Area | 328 sq in | 272 sq in |
| Spindle | ||
| Spindle | 500 W spindle, ER11 collet | 65 mm router or spindle mount (router not included) |
| Power | 500 W | - |
| Top speed | 12,000 rpm | - |
| Motion and control | ||
| Frame | aluminum and stainless steel | all metal |
| Linear rails | Yes | No |
| Drive | Lead screw | Ball screw |
| Closed-loop steppers | - | No |
| Limit switches | Yes | No |
| Controller | GRBL (LKS CNC V1.0 board) | RealTime CNC RTS-1 |
| Offline controller | Yes | No |
| Build | ||
| Weight | 41.9 lb | - |
| Warranty | 1 year | 2 years |
| Released | 2025-06 | 2026-02 |