🪙 DOUBLE-SIDED COIN PRINTING INSTRUCTIONS
🖨️ Settings & Manufacturing Information
Be aware for License Plate-Fashion Prints:
For smoother edges, flippantly sand the rounded corners after printing.
Printer Compatibility
Any FFF/FDM printer with no less than a 40 × 40 × 5 mm construct quantity.
Nozzle & Mattress
Nozzle Diameter: 0.4 mm (or 0.25 mm for ultra-crisp particulars)
Mattress Floor: Glass, PEI, or BuildTak with glue stick or blue painter’s tape
Filament Suggestions
PLA: Best for positive element and clear prints
PETG: Stronger, slight gloss
ABS: Warmth-resistant (requires enclosed construct chamber)
Layer & Perimeter Settings
Layer Peak: 0.10–0.15 mm to seize the 0.55 mm aid precisely
Perimeters (Partitions): 3 shells for a inflexible rim
Infill & Speeds
Infill: 10–15% (gyroid or grid) for power with out extreme materials
Print Pace: 30–50 mm/s (slower for sharper aid)
Temperature Information
Materials Nozzle °C Mattress °C Notes
PLA 200–205 55 Advantageous element, straightforward printability
PETG 235–240 70–75 More durable, glossier floor
ABS 240–250 90–100 (encl.) Warmth-resistant; enclosure req.
🛠️ Orientation & Helps (Double-Sided Printing)
Obverse (Aspect A):
Place relief-side up on the construct plate.
Helps: Not wanted for flat subject cash.
Reverse (Aspect B):
After Aspect A completes, flip the coin so Aspect B faces down.
In your slicer:
Allow “Construct Plate Solely” helps.
Add customized helps beneath:
The outer 1.5 mm rim (to assist the skinny lip)
Any high-relief components > 0.5 mm
Assist Tip: Use flat-roof interface layers for simple removing with out damaging the design.
Two-Step Printing:
Possibility 1: Use a slicer pause-at-height script (pause at coin thickness) to flip the mannequin mid-print.
Possibility 2: Print two separate halves and glue them back-to-back.
📏 Scaling Pointers
This mannequin is designed at:
Diameter: 39 mm
Thickness: 3 mm
Reduction Peak: 0.6 mm
By default, uniformly scaling (X/Y/Z collectively) will proportionally enhance all dimensions, together with aid depth.
For instance:
200% scale → 76.3 mm diameter, 6.1 mm thickness, 1.1 mm aid
✅ To regulate aid top independently, unlock Z-scaling in your slicer and alter the Z-axis solely.
As an illustration:
100% X/Y, 150% Z → 0.825 mm aid
At all times preview your sliced mannequin earlier than printing to make sure desired outcomes.
🎨 Put up-Processing
Assist Removing:
Gently take away under-rim helps with flush cutters.
Sanding:
Frivolously sand solely the underside rim/assist interface with 400-grit paper.
Go away the aid surfaces untouched for crisp element.
Ending:
Apply a skinny coat of primer or filler-primer to reinforce element.
Non-compulsory: Add metallic leaf or metallic spray paint for a sensible coin end.
🏁 Professional Outcomes
This workflow ensures:
✅ Each side align completely
✅ Undercut options are well-supported
✅ Reduction particulars are crisp and clear on a sturdy, double-sided coin.