Small animation rendering

Hi.
I did this short animation with the 'Proper animation' plugin in sketchup. It is my first attempt on animation. So I rendered it with the small render preset of '02' in KT. There were 60 resulting jpg files. I opened all of them (in just one step) as layers in one single file in gimp, and converted it into a gif animation. Advantage of gif is that, streaming video is not necessary for showing animation. Please give your comments about the work. I think, to view the file we have to click on the image to open it in another tab of the browser.
Thank you.

The animation works, when right-click view in new tab, correct. Good job!
Kind of boring, and the shear punch - wouldn't it come out straight? why is the bottom of the cut out piece wider than the top, shaped like a pyramid?

Thanks for the comment. I intend to do more detailed animations using higher presets in KT in the future. This animation took less than 10 minutes to render, and I was so happy due to to this lesser time. The shear punch in concrete works in an inclined way. So it will be shaped like a pyramid. This may be due to the non uniform resistance offered by the concrete. However I am doing more research on it.