About this 3D model

Here is my last mini quad acro 120 mm polycarbonate from ultimaker. I put forward the protection of the brusless in this quad with a good cooling. Flight control Pico 20x20: http://furiousfpv.com/productinfo.php?productsid=41 Esc 4x6A: http://www.banggood.com/Racerstar-Mini-RS6Ax4-6A-1-2S-Blheli_S-BB2-4-In-1-ESC-with-5V-BEC-Support-Oneshot125-D-Shot-p-1110025.html?rmmds=myorder?p=LD020411878172015024 Brushless 1103 10.000kv 2S: http://www.banggood.com/Racerstar-Racing-Edition-1103-BR1103-10000KV-1-2S-Brushless-Motor-For-100-120-150-RC-Multirotor-p-1110306.html?rmmds=myorder?p=LD020411878172015024 Recepteur: Lemon rx DSMX / Frsky http://www.banggood.com/FD800-Tiny-Frsky-8CH-PPMSBUS-Receiver-Compatible-FRSKY-ACCST-X9DPlusDJTDFTDHT-For-QX95-QX90-p-1108071.html?rmmds=myorder?p=LD020411878172015024 Lipo nanotech bold 50mha https://hobbyking.com/en_us/turnigy-bolt-500mah-2s-7-6v-65-130c-high-voltage-lipoly-pack-lihv.html Propellers 65mm king kong that must be enlarged with a drill of 1.5 mm without insisting too much. : http://www.banggood.com/10-Pairs-Kingkong-65mm-Blade-Propeller-Prop-20Pcs-for-720-8520-Coreless-Motor-DIY-Micro-Quadcopter-p-1092166.html?p=LD020411878172015024 Connection screws: M1.6x12mm