Advice on studio layout and dimensions

Hi there once again guys, construction on the studio is coming along famously! i have taken some pics throughout the process and will be posting shortly. I need some advice on my sizes and dimensions for the three rooms, any advice or suggestions would be appreciated. i need to finalize it with the builders. My interior space available is 13.5m x 4.9m x 3m height that i will divide into three rooms, my main rooms i will use the most are the control and live rooms, my dimensions i want to go with are as follows, vocal room/ entrance front wall 2.2m, back wall - 1.2m. for the control room i plan to follow sonar studios layout of 4m in front and 6 m at the back wall, as you can see im creating splayed walls for al the rooms. i am then left with a large space for the live room. do my splayed walls have a big enough angle and what suggestions would you hAVE on the sizes i have planned? Thanks again

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any recommendations?

yeah sure: Why don't you add dimensions in your sketchup, easier to read. Splayed walls benefit best when atleast 12 degr. angeled. Why don't you sketch further and draw your plans for the rooms.