diff --git a/src/lib.rs b/src/lib.rs
index 3400c0b..10abcf3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -79,6 +79,7 @@ const DEFAULT_COLUMN: Column = Column {
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct AsciiTable {
     pub max_width: usize,
+    pub draw_lines: bool,
     pub columns: BTreeMap<usize, Column>
 }
 
@@ -87,6 +88,7 @@ impl Default for AsciiTable {
     fn default() -> Self {
         Self {
             max_width: 80,
+            draw_lines: true,
             columns: BTreeMap::new()
         }
     }
@@ -157,15 +159,23 @@ impl AsciiTable {
         let widths = self.column_widths(&header, &data, num_cols);
 
         let mut result = String::new();
-        result.push_str(&self.format_first(&widths));
+        if self.draw_lines {
+            result.push_str(&self.format_first(&widths));
+        }
         if has_header {
-            result.push_str(&self.format_header_row(&header, &widths));
-            result.push_str(&self.format_middle(&widths));
+            result.push_str(&self.format_header_row(&header, &widths, &(0..num_cols).map(|a|
+                self.columns.get(&a).map(|x| x.align).unwrap_or(Align::Left)
+            ).collect::<Vec<_>>()));
+            if self.draw_lines {
+                result.push_str(&self.format_middle(&widths));
+            }
         }
         for row in data {
             result.push_str(&self.format_row(&row, &widths));
         }
-        result.push_str(&self.format_last(&widths));
+        if self.draw_lines {
+            result.push_str(&self.format_last(&widths));
+        }
         result
     }
 
@@ -269,14 +279,22 @@ impl AsciiTable {
             let conf = self.columns.get(&a).unwrap_or(default_conf);
             self.format_cell(cell, width, ' ', conf.align)
         }).collect();
-        self.format_line(&row, &format!("{}{}", NS, ' '), &format!("{}{}{}", ' ', NS, ' '), &format!("{}{}", ' ', NS))
+        if self.draw_lines {
+            self.format_line(&row, &format!("{}{}", NS, ' '), &format!("{}{}{}", ' ', NS, ' '), &format!("{}{}", ' ', NS))
+        } else {
+            self.format_line(&row, "", " ", "")
+        }
     }
 
-    fn format_header_row(&self, row: &[SmartString], widths: &[usize]) -> String {
-        let row: Vec<_> = row.iter().zip(widths.iter()).map(|(cell, &width)|
-            self.format_cell(cell, width, ' ', Align::Left)
+    fn format_header_row(&self, row: &[SmartString], widths: &[usize], aligns: &[Align]) -> String {
+        let row: Vec<_> = row.iter().zip(widths.iter()).zip(aligns.iter()).map(|((cell, &width), &align)|
+            self.format_cell(cell, width, ' ', align)
         ).collect();
-        self.format_line(&row, &format!("{}{}", NS, ' '), &format!("{}{}{}", ' ', NS, ' '), &format!("{}{}", ' ', NS))
+        if self.draw_lines {
+            self.format_line(&row, &format!("{}{}", NS, ' '), &format!("{}{}{}", ' ', NS, ' '), &format!("{}{}", ' ', NS))
+        } else {
+            self.format_line(&row, "", " ", "")
+        }
     }
 
     fn format_last(&self, widths: &[usize]) -> String {