Author here. Yes I agree with you. Having your own mold expert really saves a ton of money and makes things much more smoothly. We work with a great engineer ba

Author here. Yes I agree with you. Having your own mold expert really saves a ton of money and makes things much more smoothly. We work with a great engineer based in the Philippines. You can contact me [1] and I can connect you with him. [1] https://www.airgradient.com/support/ https://www.airgradient.com/support/