In this opportunity the letter J must be drawn, to participate in the contest We draw the letters J contest proposed by 
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I painted the geometric loop red and made a gradient of red tones to give it depth.
Thank you dear friends for the support, we are in contact.
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Here is the final image of my participation:
I initially used pencil and paper, then worked the whole image using the program Gimp 2.10.
I painted the geometric loop red and made a gradient of red tones to give it depth.
Here I applied a gray tone making a gradient with the silver color.
Paint in green and yellow what the tape is.
And finally I put the black semi transparent background to highlight more the colors used in the image.