Various speed-paintings from my portfolio, between one and three hours per image : https://www.artstation.com/tohad pic.twitter.com/h12f0AtCUO
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And IMHO, I think constraint is vector of creativity. Time is constraint, on a short time we can create suprising stuff, we abandon a too cerebral part of the creation. It's always a good exercing to try to produce a random composition on a short period.
Dans ces dessins j'ai vu "three little happy clouds and a full band of trees and friends". T'as pensé a faire un genre d'émission a base de peinture, de maximes poétiques, et de pensées positives ? 
Bob Ross peignait des trucs un peu naïf et cheesy, mais sa philosophie me parle oui :) Y'a une grosse partie psycho/philo dans la progression de la maîtrise de la peinture, ça repose énormément sur le laisser aller.
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