AUTOLISP: Building a threaded hole

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The program is designed to build a threaded hole in RUSSIAN versions of autocad 2013 ... 2017 and later.
The program asks you to enter the value of the external thread diameter, then the internal thread diameter, and then asks you to specify the center of the future thread hole.
As a result, a threaded hole is constructed at the specified point in the form of an arc with a thread diameter and a circle with an internal thread diameter..
File rezba1234.place the lsp with the program in a separate folder after the purchase, for example E:\LSP.
Go to the menu (Tools Настройка settingsFilesTrusted locations ) and add the path to this folder E:\LSP. Then go to the menu
(Service Aut AutuLispApplications) and in the autoload group, click the APPLICATIONS button and add the rezba1234 file there.lsp for automatic loading.
To assign a separate button
go to Tools _ Customize _ Interface and click the "Create a new command" button. Enter the name of the command and its description, such as "Thread".
Enter the name of the _ rezba1234 function in the macro line.
The new Thread command should appear in the list at the bottom left.
Drag it with the right mouse button to the desired panel in the "tree" of the neighboring window at the top and click OK.