Having gone through such a search just recently: - This 13.3" panel cost ~$420 to make https://www.printables.com/model/1189455-waveshare-133e-6-color-e-ink-sp

Having gone through such a search just recently: - This 13.3" panel cost ~$420 to make https://www.printables.com/model/1189455-waveshare-133e-6-color-e-ink-spectra-parametric-ca https://www.printables.com/model/1189455-waveshare-133e-6-co... - This 7.3" panel cost ~$150 to make https://www.printables.com/model/1189420-waveshare-73e-6-color-e-ink-spectra-parametric-cas https://www.printables.com/model/1189420-waveshare-73e-6-col... This includes shipping the panel from waveshare.com, paying taxes, adding a raspberry pi zero w2 + a sd card, and printing a case