What are /r/BackgroundArt's favorite Products & Services?

From 3.5 billion Reddit comments

Really great video! It's awesome seeing everything condensed so succinctly into one clip. By the way, for painting, our studio uses https://gumroad.com/l/MESl It's an easy way to throw up perspective grids as well as reestablish grids or match perspectives in a 3D render or photo.

Despite the ridiculous name, I am really partial to FireAlpaca. It's free and has a good number of brushes, tools, and features you may not find in other free applications.

I used Android Studio with libGDX engine and Scene2D for UI. You can check wallpaper here https://play.google.com/store/apps/details?id=com.brox.live_wallpaper.nature.deer

My cousin gave me his tablet Huion 1060 PLUS but he lost the charge cabel for the pen.. Really frustrating.. Anyone know where I can buy a charger for the pen? Here is the tablet on amazon. https://www.amazon.de/dp/B01FTE9HS2/ref=psdc_430217031_t1_B01HT0FREW

Heh, maybe my old high school teacher. I don't remember much of it to be of use. That one does look very helpful, reminds me of Guptil's Drawing in Pen and Ink. This was the book I was thinking of: https://www.amazon.com/gp/product/1624650309/ref=ox_sc_sfl_title_1?ie=UTF8&psc=1&smid=ATVPDKIKX0DER

It definitely has a section on spheres in perspective and I saw one example image in curvilinear but I haven't bought it just yet to find out how in-depth it is. The one book review on the page flips through it briefly.