Well here I will show you how to put the Bomb Target, ie c4, on your map.
1 - Have the map structure, wall, floor ready.
2 - Now click on Entity Tool [Shift + E].
3 - Now in New Objects choose entity "info_bomb_target".
4 - Choose the location and Colque the entity.
5 - Click on the button right inside the venue and click "Create Object".
6 - Here's how it is now.
Any doubt post in the topic, Thanks.
Placing Bomb (C4) on your map - Valve Hammer Editor
The images are not bigger?
It's that I copied the link of the images from my other topic.
what? you have hammer editor,