What is the name of PBS documentary about guy who went to Alaska and built a cabin made his own tools looks like it was in or

You are most likely thinking of the PBS documentary "The Man Who Built a Cabin" (also known as "The Man Who Built a Cabin in the Alaskan Wilderness") about Richard Proenneke.

This documentary follows Proenneke's journey as he builds a cabin and sustains himself in the Alaskan wilderness, completely by hand. He crafted his own tools, hunted for food, and lived a simple and self-sufficient life.

The documentary was originally filmed in the 1960s and was later edited and aired on PBS in 1973. It's a fascinating look at the ingenuity, resourcefulness, and resilience of one man living a unique and challenging life in the Alaskan wilderness.