I was not fast enough and I was tired, I hope the next drawings will be better!
30 seconds:



2 minutes:

5 minutes(


jhgg



2 minutes:

5 minutes(


Here show the red pencil my mistakes:
After two tests I should draw the details,....
....but I thought it's better to trace the construction and draw the details on seperate paper, that it's easy to see how I use the constructions.
Just Sketches!:3
Just Sketches!:3