November 23, 2025
Description
here is a approximately ⅓ scale replica of a alertronic AL-7200. measurements aren't exact.
HARDWARE:
216 M3 by 8 screws (better be prepared!)
2 4mm eyebolts
24 2" speakers (used ones with frames)
PRINT INFO:
horns - 20% infill, no supports
cells - 20% infill, supports enabled
top lid - 20% infill, no supports
bottom lid - 20% infill, no supports
mount - 70% infill, no supports
i have only tested 1 cell of this siren and it worked perfect. if it doesn't work for you if you make a full 3 cell 7200, let me know. (no real photos for now because my phone is acting up)
mount section pieces will come at a later date
License:
Creative Commons — Public Domain