Custom Opentrons Tube Rack & JSON Configurator

Configure bespoke single-tube or multi-geometry fixtures in SLS Nylon PA12, CNC Delrin, or anodized 6061-T6 Aluminum. Need mixed tube sizes in a single deck slot (such as 20 mL stock vials paired with 2 mL autosampler vials)? Note both tube diameters in checkout notes or email lena@datumlabware.com for a same-day multi-zone STEP and JSON layout.

Custom Tube Rack & Labware JSON Configurator

Enter your vial or tube dimensions in millimeters. Geometry, deck-slot clearances, and the Opentrons Schema v2 .json definition calculate live from the ANSI/SLAS (0,0,0) slot datum.

Quick Tube Presets:

Target Robot Tube / Vial Description

Tube OD (mm) Tube Height (mm) Volume (mL) Interior Bottom

Columns (X: 1–12) Rows (Y: 1–8)

Optimize Capacity

Lock Y-pitch to 9.0 / 18.0 / 36.0 mm multiple for 8-channel pipettes Reserve 6.5 mm side paddle margin for Opentrons Flex Gripper Add Opentrons Temperature Module M3 mounting pattern (+$35)

Material & Manufacturing Quantity (2+ saves 8%, 4+ saves 15%)

Selective Laser Sintering (Vapor-De-Powdered): Resistant to alcohols, aqueous buffers, DMSO, and acetonitrile splashes; wipe down with 70% ethanol or 10% bleach.

$249 $249/rack × 1 · Free US shipping

ORTHOGRAPHIC DATUM DRAWING · DL-CUSTOM-5X3 SCALE 1:1 MM · ANSI/SLAS 1-2004

Total Wells 15 (5 × 3)

Machined Bore Ø 17.75 mm

Well Pitch (X × Y) 25 × 28.5 mm

Min Inter-Well Wall 7.25 mm

Rack Body Height 41 mm

Seated Tube Top Z 65 mm