I try to start the new project and show this error

Ionic Framework ionic-v3
1

$ ionic start MyIonicProject tutorial
[INFO] Fetching app base (https://github.com/ionic-team/ionic2-app-base/archive/master.tar.gz)
× Downloading - failed!
Error: socket hang up
at TLSSocket.onHangUp (_tls_wrap.js:1120:19)
at Object.onceWrapper (events.js:293:19)
at emitNone (events.js:91:20)
at TLSSocket.emit (events.js:188:7)
at endReadableNT (_stream_readable.js:975:12)
at _combinedTickCallback (internal/process/next_tick.js:80:11)
at process._tickCallback (internal/process/next_tick.js:104:9)

2

Sounds like a network connectivity problem to me.