Buttkicker / BodyShaker support

Print Settings:
Standard PLA paramaters with 40% infill

Allow us to fix the blanko bodyshaker to Sparco seatbelt fixations.

You can find the blanko the blanko bodyshaker/buttkicker here:
https://www.amazon.fr/gp/product/B0034JI3EE/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

For my usage, I plugged 2 Blanko bodyshakers with a TPA3116 amplifier to an USB sound 2 ways sound card.

TPA3116 amplifier:
https://www.amazon.fr/KKmoon-TPA3116-Subwoofer-amplificateur-DC12V-26V/dp/B01DDKP8IW/ref=pd_bxgy_img_2/258-4867749-5763440?_encoding=UTF8&pd_rd_i=B01DDKP8IW&pd_rd_r=15f2ad71-5ed7-4ece-b936-288196622a9a&pd_rd_w=Bnpio&pd_rd_wg=aw3rd&pf_rd_p=a23bc06b-c1d8-47e8-84ee-a2dc78a694f2&pf_rd_r=WD99NMFCAMBDR272CRKR&psc=1&refRID=WD99NMFCAMBDR272CRKR

USB 2 ways soundcard:
https://www.amazon.fr/UGREEN-Adaptateur-Compatible-Raspberry-Microphone/dp/B01N905VOY/ref=pd_bxgy_img_3/258-4867749-5763440?_encoding=UTF8&pd_rd_i=B01N905VOY&pd_rd_r=15f2ad71-5ed7-4ece-b936-288196622a9a&pd_rd_w=Bnp