⚠ Note: This is the second version of the ROPI grinder. It introduced the top stash chamber and major usability upgrades. If you want the latest and fully refined version with further durability, smoother grinding, and overall polish, check out 👉 Herb Grinder ROPI with Stash Chamber V4.
This version marked the first big step forward in the ROPI grinder series. Based on feedback from the Pilot, V2 added a stash chamber, improved ergonomics, and refined grinding performance.
Key Features of V2
Three compartments: grinding chamber, ground-material chamber, and top stash chamber
Magnet-based design for secure closure and smooth handling
Patterned outer surface for better grip
Smoother edges and corners for more comfortable use
Resized magnet holes for improved fit
More solid, durable construction
Easy to print — redesigned so parts print cleanly without supports
Printing Recommendations
Material: PLA
Layer height: 0.2 mm
Infill: 20%
Supports: Not required
Orientation: print parts as provided
Parts to Purchase
Neodymium magnets 5 mm × 2 mm (10 pieces) You can buy them at a local store or order online (e.g., Amazon) for example here.
Clean-Up & Assembly
Clean surfaces with an iron brush
Use a heat gun to remove stray threads
Trim imperfections with a scalpel or knife
Inserting magnets:
Use a screwdriver with a flat bit surface
Attach the magnet to the screwdriver tip
Apply a small drop of glue
Push the magnet into place while holding the handle of the screwdriver
Something to Keep in Mind
This version is a big upgrade over the Pilot, but later versions improved it further:
V3 strengthens the magnet holders and locking tab and adds a brim variant for better bed adhesion.
V4 refines durability, grinding flow, logo aesthetics, and overall polish.
ROPI
