Annealing instructions for the T-Mag S&W M&P pistol magazine pack. 

Please read the information below carefully. 

**TABLE OF CONTENTS**
- Parts
- Instructions
- Printing Details

**PARTS**
- T-Mag 17 & 21rd Mandrel 
- T-Mag 30rd Mandrel 
- T-Mag  21rd Die Left 
- T-Mag  21rd Die Right
- Electrical tap, 90C temperature rating
- (10) M3x25 socket cap screws and hex nuts

**INSTRUCTIONS**
- 17 and 30 round capacities: Insert the mandrel into the magazine and wrap with electrical tape. Bake in an oven set to 80C for at least 2 hours. Annealing will take longer than usual due to the extra part thickness. 

- 21 round capacities: Insert the mandrel into the magazine and close the dies around the magazine. Leave screws hand tight, excessive force is not required. Place the assembly in boiling water for 15 minutes, remove and let cool. Tip: When removing the magazine from the dies it is not necesary to completely remove the screws.  

- Both methods: Mandrel should pop out with a smack but may require driving out with a mallet and punch. 

**PRINTING DETAILS**
- Recommended Materials
	- PC, PC-PBT, ASA, or ABS
- General settings 
	- Mandrel: 0.15mm layer height, 0 top/bottom layers, 0% infill (print hollow for airflow).
	- Dies: 0.2mm layer height, normal top/bottom and infill settings.
- No supports
- All STL's are oriented with the correct face to the bed. Recommend orienting the long side along the y-axis (as shown in "Printing Orientations.JPG") to minimize vibrations near the top of the print (not applicable to core xy and delta printers). 
- Calibrate flow using the 2-wall method (shown at https://3dprintbeginner.com/flow-rate-calibration/), round up to the nearest whole number and add 1%. For example if the calculated value is 97.4%, round up to 98% and add 1% to make 99%. Put 99% into the flow setting on your printer or slicer. 
- Calibrate dimensions using the included sizing calibration spreadsheet.

This work is licensed under Creative Commons Attribution - Non commercial.  I hope you enjoy my work! 
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