JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Construct a Closed Tee Joint Select the Construct Closed Tee Joint tool ( Drawing > Home > Multi-lines ). Select the multi-line to extend or shorten. Select the multi-line to which the first multi-line will be extended or shortened. Enter a data point to accept the joint. Parent topic: Construct Closed Tee Joint