With program Terraria TEdit Map Editor you can easily create your buildings on the map or the map itself.
Don't forget to create a backup before editing the map
Ctrl + D - Remove selection
DEL - Delete tiles in the selection area
Ctrl + C - Copy
Ctrl + V - Paste
Ctrl + Z - Undo
Ctrl + Y - Return
Ctrl + S - Save
Ctrl + O - Open
Esc - Clear the undo buffer or remove the selection
A - Arrow / Cursor (For editing chests and changing tablets)
B - Brush (Painting tiles, walls, wires and liquid)
F - Fill (Fills tiles and / or walls)
E - Pencil (Drawing tiles, walls, wires and water)
R - Eyedropper (When you press LMB, it takes a tile / wall, when you press RMB, it takes a tile mask / wall mask)
P - Point (Creates spawn, dungeon and NPC houses)
S - Selection (Select an area for building or copying)
T - Sprite (Put a sprite (plates, chests, torches, tables, etc.) from the sprite sheet)
Z - Enable Eraser (Enables erase mode for bucket, pencil and brush)
Tutorials (english only, I can make a translation if you want):
http://www.terrariaonline.com/threads/a-guide-to-tedit-3.80163/
Wiki - If you can't figure out how to use the tools then check out the wiki! (english only)
SinisterStairs - Development
Heathtech - Textures for walls, tiles and trees
Aimeryan - Wiki
Kyphis - schema (?)
SineSwiper - Xml setup
Ahamling27 - Support & Promotion, Tutorials
Download map editor TEdit v3.10.18105.184:
Cual es la contraseña
¿De qué contraseña estás hablando?
yo tambien tengo esa pregunta.