to build your own awesome and inexpensive jib boom, you’ll need to frankenstein parts from an existing tripod and an l-bracket
to hack off choice bits of one or more existing items and then attach them to a new project, thereby bending them to suit your own requirements (diabolic or not)
"to build your own awesome and inexpensive jib boom, you’ll need to frankenstein parts from an existing tripod and an l-bracket" What is the definition of "frankenstein"?