If you do not have a 3D printer at home, you can buy the product here: LINK
With two pairs of Velcro straps, you can easily glue this holder to the base of your Thrustmaster T300 steering wheel and use your smartphone as a dashboard.
The advantage of having a fixed dashboard on the base and not on the steering wheel means you won't alter the weight and center of gravity of the steering wheel. Recommended if you have an addon steering wheel. The original steering wheel would cover the view. It is advisable to buy a silicone cover, which should always be left attached to the holder.
Where to find the Velcro sticker You need a Velcro sticker measuring 10 cm x 4 cm. Here is where to buy: LINK This dimension is not mandatory.
The smartphone app we recommend We love the "SIM Dashboard" app. Highly recommended: LINK
Printing No supports. We recommend an Infill higher than 30%.