StudiaLogo Design Contest

Hi, here is my submissions (#15, #16, #17, #18). Hopefully pleased.
Please feel free to contact me for any requests.
And please let me know if you need any changes/modification.
Thanks

And also this (#23, #24). Thanks

Sorry I replaced by this (#25, #26, #27, #28). Thank you.

OK, here's my updates (#90, #91). Thanks

Hi rafa17,

Thanks for your great designs!
Can you take out the thread of the hat of the dot in "i" in #90 and #91?
(in other words, please make "d" simple "d")

Thanks!