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  • Building tips


    Tip: For an overview of the tools available for building objects in the Second Life world, see the Build Tools article.

    The coalesce feature

    A coalesced object is a combination of objects taken or returned into inventory together. If you select multiple objects and choose Take from the object menu, they'll be taken into your inventory as a coalesced object

    Try this experiment to locate your coalesced object in My Inventory:


    As this experiment shows, coalesced objects are found in My Inventory with the name of the last object selected. When the selected objects are taken into inventory, the coalesced object is located in the Objects folder. When they are returned, the coalesced object is located in the Lost And Found folder.

    Note: Single objects in inventory have an icon that looks like a cube  (Image:Inv_item_object.png), while coalesced groups of objects have an icon that looks like a stack of cubes (Image:Inv_item_object_multi.png).

    Coalesced object relationships

    When an object is placed inworld, it has coordinates that identify its location on the grid. These XYZ coordinates are relative to the region the object is placed in. When more than one object is taken or returned into a coalesced object and then rezzed at a new location, each object shows different XYZ values relative to the new location, however the objects maintain their spatial relationship to each other.

    For an introduction to coalesced object relationships, take a look at this quick tip video:

    Now that you see how objects maintain their relationships to each other, you can use this information when creating a coalesced object on a large parcel and rezzing that object on a smaller parcel. Since the objects maintain their relative positions, you will need enough square meters of land to rez the coalesced object again.

    Caveats about coalesced objects

    • Rezzing a coalesced object near a parcel/region boundary may result in objects being returned to inventory.
    • Coalesced objects have prim limits because the time required to rez them can exceed the capacities of Second Life's servers, causing problems when Residents attempt to take complex coalesced objects into inventory. To rez an object that exceeds the prim limit, create a support ticket requesting that the object be broken into a set of smaller objects.
    • Parcel owners can rez Linden trees. When using the Click-Drag-Select method for your content, make sure the selection area does not contain Linden trees unless you are planning to rez the coalesced object on a parcel that you own. Take the same precautions when using Shift-Select.
    • If you have a coalesced object with Linden trees or would like to learn more, watch this video tutorial:

    • Selecting moving objects can cause those objects to go offworld when you rez the coalesced object. Either take those objects into inventory separately, or, if you want to turn off all scripts in all of the selected objects, go to Build > Scripts > Set Scripts to Not Running.


    Warning: If your coalesced object contains one or more no-copy objects and is rezzed across the boundary of a parcel where building isn't allowed, the content will not return to your inventory, resulting in content loss.


    Don't rez coalesced objects close to no-build parcels from Torley on Vimeo.

    Warning: A maximum of 1000 scripts can be rezzed at once! If you are creating a coalesced object with many scripts, try creating objects in sections that contain scripts so that you will be able to rez those objects again. If you have valuable content, take those items into inventory before taking or returning your other items. If you're having trouble rezzing a coalesced object, please contact Support for further assistance.

    Troubleshooting selecting objects

    Right-clicking an object and choosing Edit selects the object, opening a floating window with many editing options. Alternatively, in Edit mode, you can drag and draw a selection rectangle over multiple objects. If both of these fail to make object outlines appear (indicating they have been selected), then try the steps below.

    Go to Build > Options

    1. Uncheck Select Only My Objects if you're trying to select objects owned by another Resident. This includes a friend who's given you permission to edit their objects.
    2. Uncheck Select Only Movable Objects if you're trying to select an object you can't move. This is generally determined by Allow anyone to move in the General tab of the build tools, but also applies to group-deeded objects and objects a friend has allowed you to edit.
    3. Uncheck Select By Surrounding if you have a hard time using the selection rectangle to select objects.
    4. Re-select the desired objects.


    A sandbox is a parcel of land which has been put aside for building practice. Much like real sandboxes and conceptual sandbox games, these are spaces of creativity and chaos. Several sandboxes exist for specific purposes — such as the Weapons Testing Sandbox — but the majority are simply for regular building.

    Signs within each sandbox area make it clear what kind of activities are allowed there. Sandboxes usually have auto return enabled to clean themselves several times a day; look for auto-clean info before building, so you aren't caught by surprise. Since sandboxes are experimental, they may also be unstable — be sure to regularly take inventory backups of anything that's important.

    What is a sandbox? from Torley on Vimeo.

    Public Linden sandboxes

    These full-region sandboxes are owned by Linden Lab:

    There are also these partial-region sandboxes, smaller than the above but still useful if you're nearby:

    Building with other Residents

    There are a few ways to allow friends to edit your objects in Second Life. This is often referred to as collaborative building or collaborative creation. It's a useful way to let groups of people work together on a building project.

    The group method

    1. Right-click the object and choose Edit to bring up the object editor.
    2. Click on the General tab in the editor.
    3. Click on the Edit Wrench to the right of Group and assign the object to the group you and your friend are in.
    4. Select the checkbox below.
    Note: If you want other group members to be able to take copies of your object, you should make sure to set the next owner permissions (Modify, Copy, Transfer) appropriately.
    Note: Any other group members will also be able to edit the object. Group members can only edit objects that are shared with the group, according to their Group Role permissions.

    Object-related group permissions (and friend permissions) are explained in this video tutorial:

    Let friends & groups edit your objects from Torley on Vimeo.

    The friend method

    1. Open your friends list by clicking Communicate > Friends.
    2. View your friend's profile by clicking the View profile icon on the far right by his or her name.
    3. Click the Gear button on the upper right of the profile window that appears and select Permissions from the dropdown. 
    4. Select the Edit, delete or take my objects checkbox.
    5. Click Save.
    Important: This gives your friend the ability to edit all of your objects.

    Making sure you are shown as the creator of an object

    It sometimes happens that a skin or shape you've modified and prepared to sell still lists someone else as the creator. (To view the item's creator, right-click it in Inventory and select Object Profile.) This tends to happen if you use one of our system default avatar templates in your Inventory's Library > Clothing folder.

    If the item is fully permissive, then there are no functional restrictions: you can modify and sell it. For the sake of consistency, you may still prefer to have your name listed as its creator.

    To make sure your name is listed as the creator of an object:

    1. Click the Inventory  icon on the toolbar.
    2. Click the + button at the bottom. You'll see you can make new item types like scripts, notecards, gestures, clothes, and body parts. All of these will list you as creator. Try it and see!

    While you cannot change the creator of an item, you can copy a modifiable item's settings to another item that lists you as creator. For example, a body shape consists of numerous slider settings, so you can reproduce the shape by using the same slider settings.

    Important: Respect intellectual property! Don't use the technique above to infringe on someone else's copyright.

    All objects you originally rez inworld are created in your name. If you link multiple objects together to form a linkset (Build > Link), the last selected prim will be the visible creator when an object's properties are shown, although that doesn't tell the full story.

    To show all prim creators in an object:

    1. Right-click the object.
    2. Click Object Profile. The INVENTORY window opens.
    3. Click the Details button at the bottom of the window.

    This opens a window that lists the individual prims and who originally created them.

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