01 / THE SHORT ANSWER
Use the calibrated profile you already trust. Then make it miniature-sized.
For ordinary PLA, begin with your printer maker's proven material profile. Reduce layer height, slow the visible outer walls, use two or three walls, turn cooling up after the first layers, and orient the model so supports stay away from the face and front of the body.
Do not begin by copying another printer's temperature, retraction, pressure advance, or flow values. Those are machine-and-material settings. Calibrate them for your setup before blaming the miniature profile.
A clean 0.08mm print beats a failed 0.05mm print every time.
02 / STARTING PROFILE
A sane place to begin.
These are practical starting ranges for a calibrated printer using ordinary PLA—not universal promises. Use the closest supported machine profile, print one normal standing figure, and adjust from there.
Check the nozzle manufacturer's layer-height limits. Prusa's guidance puts the practical maximum near 70–80% of nozzle diameter; miniature profiles live far below that ceiling, but your first layer may not.
03 / THE BIG LEVERS
Five settings matter more than the rest.
Nozzle diameter
A smaller nozzle resolves smaller details in the horizontal plane. Tiny text, eyes, fingers, and thin weapons benefit most.
Layer height
Lower layers smooth slopes and curved armor vertically. They cannot recover detail the nozzle is too wide to draw.
Outer wall speed
Visible surfaces benefit from restrained speed. Let infill and hidden inner walls carry more of the time savings.
Orientation
A few degrees of tilt can move seams and support scars off the face while giving a sword a stronger layer path.
Supports
Use organic or tree supports as a starting point, then inspect contacts. Automatic does not mean finished.
Pricing an army while you tune? Use the filament cost calculator to include supports and waste.
04 / DIAL IT IN
One model. One variable. No folklore.
- 01Calibrate the machine first
Run the printer or slicer maker's flow and temperature process for the exact filament on the spool.
- 02Choose a representative miniature
Use a normal infantry model with a face, weapon, cloth, and a few overhangs—not the easiest sculpt you own.
- 03Print the starting profile
Do not change six values at once. That produces a different print, not useful information.
- 04Fix the largest visible failure
Support scars call for orientation or support work. Soft edges point toward speed, cooling, flow, or nozzle size.
- 05Save a named profile
Include printer, nozzle, filament, and date. Future you should know exactly what worked.
05 / COMMON QUESTIONS
FDM miniature settings FAQ.
Can an FDM printer make good 28mm or 32mm miniatures?
Yes. A tuned FDM printer can produce clean, durable tabletop miniatures, especially with a 0.2mm nozzle. Resin still resolves the smallest facial and surface details more easily, but good orientation, restrained speed, and sensible supports close more of the gap than most profile tweaks.
What is the best layer height for FDM miniatures?
Start around 0.06–0.08mm with a 0.2mm nozzle or 0.08–0.12mm with a 0.4mm nozzle. Going lower can add a great deal of print time for a small visible gain, and the nozzle still limits horizontal detail.
How much infill should a miniature use?
Ten to fifteen percent is enough for most figures because walls provide most of the useful strength. Small limbs and weapons are often nearly solid from wall overlap anyway. Large monsters and bases may need a different choice.
Should I use tree or organic supports for miniatures?
They are a strong default because they can reach hands, weapons, and cloth with fewer scars than a dense block of conventional supports. Support the model intentionally, keep critical faces away from contact points, and inspect every island before printing.
Do I need a 0.2mm nozzle?
No. A 0.4mm nozzle is faster, more forgiving, and very capable for monsters, vehicles, terrain, and many tabletop figures. Use a 0.2mm nozzle when small faces, fingers, insignia, and thin equipment matter more than speed.
Why should I not copy someone else's temperature and retraction settings?
Those numbers depend on the printer, hotend, extruder, filament, firmware, and even the room. Begin with the manufacturer-supported profile for your exact machine and material, calibrate it, then change one variable at a time.
KEEP GOING
The rest of the field manual.
SOURCES / ASSUMPTIONS
Where the guardrails come from.
The ranges above are Knucklehead starting points. The underlying nozzle and layer-height constraints come from official guidance by Prusa Research, PrusaSlicer nozzle documentation, and UltiMaker's FFF design guide. Your printer and filament still get the final vote.