RatRig · Prosumer · FDM
RatRig V-Core 4 (stavebnice)
Approximate price 22,290 CZK (≈ 910 €)
A CoreXY printer kit built from aluminium extrusions, available in 300, 400 or 500 mm sizes. The Beacon probe calibrates the Z axis on any surface, the hotend reaches 350 °C and the bed 120 °C. It can be expanded to Hybrid or IDEX with two independent heads.
Specifications
| Manufacturer | RatRig |
|---|---|
| Technology | FDM |
| Approximate price | 22,290 CZK (≈ 910 €) |
| Build volume | 300 × 300 × 300 mm |
| Max. print speed | not specified by manufacturer |
| Max. nozzle temperature | 350 °C |
| Materials | PLA, PETG, TPU, ABS, ASA, PA, PC, CF composites |
| Enclosed chamber | no |
| Automatic calibration | yes |
| Multicolour / multi-material printing | yes, with the IDEX upgrade add-on |
| Category | Prosumer |
Manufacturer's official website: ratrig.com/products/rat-rig-v-core-4-1 ↗
Who it's for
For experienced makers who want to build a powerful, customisable machine tailored to their needs.
Pros and cons
Pros
- 300, 400 and 500 mm sizes
- Hybrid and IDEX upgrades
- Beacon probe
- Fully customisable design
Cons
- Kit – the build takes dozens of hours
- Enclosure not included
- Electronics cost extra
Videos and guides
Selected videos
Official from the manufacturer: RatRig YouTube channel ↗
More videos by topic
The videos are on YouTube and were made by manufacturers or independent creators, not Formifi. The topic buttons open current YouTube search results.
Comparison with other printers
- RatRig V-Core 4 (stavebnice) vs Voron Trident (stavebnice)21,990 CZK
- RatRig V-Core 4 (stavebnice) vs Snapmaker U120,790 CZK
- RatRig V-Core 4 (stavebnice) vs Flashforge Creator 5 Pro20,290 CZK
- RatRig V-Core 4 (stavebnice) vs Prusa MK4S24,490 CZK
- RatRig V-Core 4 (stavebnice) vs Voron 2.4 (stavebnice)24,990 CZK
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Prices are approximate and change over time (price source: official store Rat Rig, version 4.1 300 mm (converted), 10/2026). Conversion to euros is approximate only.. Data updated 08/10/2026.