Slicing profiles, G-code documentation, and optimized print parameters for the SinterX Pro SLS 3D printer.
This repository contains optimized slicing profiles, G-code reference documentation, and material-specific parameter sets for the SinterX Pro — India's first indigenous industrial SLS 3D printer by AutoAbode.
Whether you're running validated materials or experimenting with new powders on the SinterX Pro's open-material platform, these profiles provide a tested starting point.
sinterx-gcode-profiles/
├── profiles/
│ ├── PA12/
│ │ ├── PA12_standard_quality.json
│ │ ├── PA12_high_speed.json
│ │ └── PA12_fine_detail.json
│ ├── PA11/
│ │ ├── PA11_standard_quality.json
│ │ └── PA11_impact_optimized.json
│ ├── TPU/
│ │ ├── TPU_shore80A.json
│ │ └── TPU_shore95A.json
│ └── experimental/
│ ├── PA12_GF_glass_filled.json
│ └── PA12_CF_carbon_filled.json
├── gcode-reference/
│ ├── command_reference.md
│ ├── startup_sequence.md
│ └── custom_commands.md
├── examples/
│ ├── calibration_cube.gcode
│ └── tensile_bar_ASTM_D638.gcode
└── docs/
├── parameter_guide.md
└── troubleshooting.md
The SinterX Pro supports an open-material architecture. The following materials have been validated with optimized profiles included in this repository:
| Material | Grade | Bed Temp (C) | Laser Power (W) | Scan Speed (m/s) | Layer Height (um) | Refresh Ratio | Status |
|---|---|---|---|---|---|---|---|
| PA12 | Standard | 172-176 | 25-35 | 7-10 | 100 | 50:50 | Validated |
| PA12 | Fine Detail | 173-176 | 22-30 | 5-7 | 80 | 50:50 | Validated |
| PA12 | High Speed | 172-175 | 30-40 | 10-14 | 120 | 50:50 | Validated |
| PA11 | Standard | 185-188 | 28-38 | 6-9 | 100 | 50:50 | Validated |
| PA11 | Impact Opt. | 186-189 | 30-40 | 5-7 | 100 | 40:60 | Validated |
| TPU | Shore 80A | 100-110 | 18-25 | 4-7 | 120 | 60:40 | Validated |
| TPU | Shore 95A | 105-115 | 20-28 | 4-7 | 120 | 60:40 | Validated |
| PA12-GF | 30% Glass | 174-178 | 30-40 | 5-8 | 100 | 50:50 | Experimental |
| PA12-CF | 15% Carbon | 174-178 | 28-38 | 5-8 | 100 | 50:50 | Experimental |
Note: Experimental profiles are community-contributed and may require fine-tuning for your specific powder batch. Always run a small test build first.
Profiles are stored as JSON files. Example (PA12_standard_quality.json):
{
"profile_name": "PA12 Standard Quality",
"profile_version": "2.1",
"material": "PA12",
"printer": "SinterX Pro",
"firmware_min": "3.0.0",
"thermal": {
"bed_temperature_c": 174,
"feed_temperature_c": 145,
"warmup_time_min": 45,
"cooldown_rate_c_per_hr": 3.0,
"thermal_camera_enabled": true,
"auto_temp_compensation": true
},
"laser": {
"power_w": 30,
"scan_speed_mm_s": 8000,
"scan_spacing_mm": 0.12,
"border_power_w": 25,
"border_speed_mm_s": 5000,
"border_count": 1
},
"layer": {
"height_um": 100,
"recoater_speed_mm_s": 150,
"recoater_mode": "forward",
"inter_layer_delay_s": 8
},
"powder": {
"refresh_ratio_fresh_pct": 50,
"max_recycle_count": 6,
"dosing_factor": 1.15,
"overflow_collection": true
},
"build": {
"inert_gas": "nitrogen",
"o2_threshold_pct": 0.5,
"preheat_layers": 10,
"cooldown_layers": 5
},
"quality": {
"expected_density_pct": 96,
"expected_tensile_mpa": 48,
"expected_elongation_pct": 18,
"surface_roughness_ra_um": 12
}
}Best for engineering prototypes that need to approximate production-part properties.
- Profile:
PA12_standard_quality.json - Layer height: 100 um
- Laser power: 30W at 8 m/s
- Expected properties: 48 MPa tensile, 18% elongation, 96% density
- Build time estimate: ~12mm/hr Z-axis build rate
Best for models, presentation pieces, and parts with fine features.
- Profile:
PA12_fine_detail.json - Layer height: 80 um
- Laser power: 25W at 6 m/s
- Tradeoff: 25% slower build time, noticeably better surface finish and small-feature resolution
- Minimum feature size: ~0.5mm wall thickness
Best for volume production where cycle time matters more than surface finish.
- Profile:
PA12_high_speed.json - Layer height: 120 um
- Laser power: 35W at 12 m/s
- Tradeoff: Slightly rougher surface (Ra ~18 um), 40% faster build time
- Best for: Jigs, fixtures, non-cosmetic functional parts
Best for parts that experience shock loading, snap-fit connections, or living hinges.
- Profile:
PA11_impact_optimized.json - Layer height: 100 um
- Key advantage: PA11 has ~3x the elongation at break vs. PA12
- Note: PA11 requires higher bed temperature (186-189C) — ensure adequate warmup
Best for gaskets, seals, grips, vibration dampers, and wearable components.
- Profile:
TPU_shore80A.jsonorTPU_shore95A.json - Layer height: 120 um
- Key note: TPU requires significantly lower bed temperature (100-115C) and slower scan speeds
- Powder handling: TPU powder is more hygroscopic — store sealed with desiccant, use within 4 hours of opening
-
Warm up properly. Don't skip or shorten the preheat cycle. The bed temperature must be uniform before scanning starts. The thermal camera will show cold spots if warmup is insufficient.
-
Check your powder. If recycled powder has been sitting open for more than 48 hours, it has absorbed moisture. Dry it (80C for 4 hours in a vacuum oven for PA12) or increase the fresh powder ratio.
-
Calibrate the recoater. An uneven powder layer is the single most common cause of failed builds. Run the recoater calibration routine after any maintenance.
-
Pack the build volume efficiently. SLS costs the same per layer regardless of how many parts are in that layer. Nest parts to maximize Z-axis utilization.
-
Monitor the thermal camera feed. The SinterX Pro's integrated thermal imaging shows you sintering quality in real-time. Cold spots indicate under-sintering. Hot spots indicate over-sintering or powder spreading issues.
-
Watch the first 10 layers. Most build failures manifest in the first 10-20 layers. If the thermal profile looks good through layer 20, the build will likely complete successfully.
-
Don't open the chamber. Temperature disruption from opening the build chamber mid-print causes thermal shock, warping, and layer delamination. If you must abort, use the software abort function and let the chamber cool controlled.
-
Cool slowly. The cooldown phase is as important as the build phase. Rapid cooling causes warping and internal stresses. Follow the profile's recommended cooldown rate (typically 3C/hour for PA12).
-
Depowder carefully. Aggressive depowdering can damage thin features. Use compressed air at low pressure and work from the outside in.
-
Track your powder. Note the build number on each batch of recycled powder. PA12 can typically be recycled 5-6 times before mechanical properties degrade noticeably. The SinterX Pro's powder tracking system helps automate this.
The SinterX Pro extends standard G-code with machine-specific commands. Full reference is in gcode-reference/command_reference.md. Key additions:
| Command | Description | Example |
|---|---|---|
M800 |
Set bed temperature | M800 S174 |
M801 |
Set feed piston temperature | M801 S145 |
M810 |
Set laser power (watts) | M810 S30 |
M811 |
Set scan speed (mm/s) | M811 S8000 |
M812 |
Set scan spacing (mm) | M812 S0.12 |
M820 |
Recoater forward pass | M820 F150 |
M821 |
Recoater reverse pass | M821 F150 |
M830 |
Start nitrogen purge | M830 |
M831 |
Query O2 level | M831 |
M840 |
Thermal camera snapshot | M840 |
M841 |
Enable thermal QC monitoring | M841 S1 |
We encourage the community to contribute profiles for new materials, especially:
- Flame-retardant PA12 grades
- PA6 / PA66 (higher temperature nylons)
- PEEK (if you're brave enough)
- Custom blends (carbon-filled, glass-filled, mineral-filled)
- Fork this repository
- Create your profile in
profiles/experimental/ - Include a brief description of the powder supplier and batch if possible
- Document your test results (tensile, density, surface finish)
- Submit a pull request
All experimental profiles will be tested by the AutoAbode team before promotion to validated status.
- SinterX Pro Product Page: autoabode.com/sinterx
- AutoAbode Website: autoabode.com
- Support: abodeauto@gmail.com
This repository is released under the MIT License. Profiles and documentation may be freely used, modified, and distributed.
Built by AutoAbode — New Delhi, India
India's first industrial SLS 3D printer.