How do i create gothic capital top

Support Modeling
1

How do I create capital top gothic style like this i had a problem when I wanted to cut the curved triangle in the middle top of this

1000_F_214605379_FeUqXu2LpAwfCM5DcQECMuHv3BHP85hE
1000_F_214605379_FeUqXu2LpAwfCM5DcQECMuHv3BHP85hE1000×665 217 KB

Capture49
Capture491920×1040 623 KB

any Idea?

2

sda
sda1366×740 42.4 KB

  1. Create an arch from the front.

  2. Copy Rotation to 90°

  3. Rotating to 45°