.338 Lapua Magnum 专用装填盒

.338 Lapua Magnum Reloading Tray Condensed

2024-01-08 06:50:33

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Summary

Really appreciate BexarArms sharing the f3d file for their build as I learned a lot from their design/process!

I wanted to see if I could use up some of the empty space by packing in the brass holes a bit closer together and overall reducing the length of this case. What ended up happening is that I of course needed to increase the width and had a different type of wasted space. Oh well. Sharing this anyways as I had fun editing & modifying this! I've similarly included my modified f3d file.

This was a gift to a friend so unfortunately don't have any photos with brass inside as I don't have any.

Print Settings

Printer brand:
Creality
Printer:
Ender-3 S1
Rafts:
No
Supports:
No
Resolution:
0.2mm
Infill:
20%
Filament brand:
Inland
Filament color:
Black
Filament material:
PLA+
Notes:
70C Bed Temp, 215C Extruder Temp
No supports/rafts/etc needed.

Did get some minor artifacting above the lettering on the sides

At 20% infill & 0.2mm quality, Cura reports a weight of 92g & 15h & 7m printing time.

How I Designed This

New Dimensions are 3.738" x 6.035" vs. 3.4" x 6.95" in the original design. Cura reports a savings of about ~4g so the difference is fairly negligible.

I've changed the text as well as can be seen in the photos.

The only other major change I made was adding a bit more material in the corners next to the brass holes as on my first print attempt at the original my print had some issues/warping.

To save others some time where I needed to look things up, the brass holes are 0.625" or 15.875mm.
The .338 Lapua spec designates MAXIMUM case diameter of 14.93mm or .588". This means that even with 0.2mm printing precision, there is plenty of wiggle room. What I noticed in going through the design is the original author was modifying a 45-70 reloading tray (15.44mm or 0.608" maximum case diameter) which is probably why this is a bit oversized/not quite as tight a fit. I left that alone but that can be shrunk if need be.