Index: src_plugins/io_pads/write.c
===================================================================
--- src_plugins/io_pads/write.c	(revision 34638)
+++ src_plugins/io_pads/write.c	(revision 34639)
@@ -32,6 +32,8 @@
 #include <stdio.h>
 
 #include "board.h"
+#include <librnd/core/unit.h>
+#include <librnd/core/hidlib_conf.h>
 
 typedef struct {
 	FILE *f;
@@ -38,6 +40,87 @@
 	double ver;
 } write_ctx_t;
 
+static int pads_write_pcb_block(write_ctx_t *wctx)
+{
+	int gridu = 1; /* default to metric - it's 2021 after all... */
+	static const rnd_unit_t *unit_mm = NULL, *unit_mil;
+
+	if (unit_mm == NULL) { /* cache mm and mil units to save on the lookups */
+		unit_mm  = rnd_get_unit_struct("mm");
+		unit_mil = rnd_get_unit_struct("mil");
+	}
+
+	if (rnd_conf.editor.grid_unit == unit_mm)        gridu = 1;
+	else if (rnd_conf.editor.grid_unit == unit_mil)  gridu = 0;
+	/* we don't ever set 2 for Inches */
+
+
+	fprintf(wctx->f, "*PCB*        GENERAL PARAMETERS OF THE PCB DESIGN\r\n\r\n");
+	fprintf(wctx->f, "UNITS        %d              2=Inches 1=Metric 0=Mils\r\n", gridu);
+#if 0
+USERGRID     1      1       Space between USER grid points
+MAXIMUMLAYER 8              Maximum routing layer 
+WORKLEVEL    0              Level items will be created on
+DISPLAYLEVEL 1              toggle for displaying working level last
+LAYERPAIR    1      2       Layer pair used to route connection
+VIAMODE      T              Type of via to use when routing between layers
+LINEWIDTH    12             Width items will be created with
+TEXTSIZE     100    10      Height and LineWidth text will be created with
+JOBTIME      58051          Amount of time spent on this PCB design
+DOTGRID      100    100     Space between graphic dots
+SCALE        19.506          Scale of window expansion
+ORIGIN       15800  10000   User defined origin location
+WINDOWCENTER 17983.65 11239.26  Point defining the center of the window
+BACKUPTIME   20             Number of minutes between database backups
+REAL WIDTH   2              Widths greater then this are displayed real size
+ALLSIGONOFF  1              All signal nets displayed on/off
+REFNAMESIZE  100    10      Height and LineWidth used by part ref. names
+HIGHLIGHT    0              Highlight nets flag
+JOBNAME      Main_tss_VRN.pcb
+CONCOL 5
+FBGCOL 1 0
+HATCHGRID    10             Copper pour hatching grid
+TEARDROP     2713690        Teardrop tracks
+THERLINEWID  15             Copper pour thermal line width
+PSVIAGRID    1      1       Push & Shove Via Grid
+PADFILLWID   10             CAM finger pad fill width
+THERSMDWID   15             Copper pour thermal line width for SMD
+MINHATAREA   1              Minimum hatch area
+HATCHMODE    0              Hatch generation mode
+HATCHDISP    1              Hatch display flag
+DRILLHOLE    6              Drill hole checking spacing
+MITRERADII   0.5 1.0 1.5 2.0 2.5 3.0 3.5
+MITRETYPE    1              Mitring type
+HATCHRAD     0.500000       Hatch outline smoothing radius
+MITREANG     180 180 180 180 180 180 180
+HATCHANG     45             Hatch angle
+THERFLAGS    65536          Copper pour thermal line flags
+DRLOVERSIZE  3              Drill oversize for plated holes
+PLANERAD     0.000000       Plane outline smoothing radius
+PLANEFLAGS   ALL OUTLINE Y Y Y N N Y Y N N N Y Y N Y Y N N   Plane and Test Points flags
+COMPHEIGHT   0              Board Top Component Height Restriction
+KPTHATCHGRID 100            Copper pour hatching grid
+BOTCMPHEIGHT 0              Board Bottom Component Height Restriction
+FANOUTGRID   1      1       Fanout grid
+FANOUTLENGTH 250            Maximum fanout length
+ROUTERFLAGS  83879441       Autorouter specific flags
+VERIFYFLAGS  1373           Verify Design flags
+PLNSEPGAP    20             Plane separation gap
+IDFSHAPELAY  0              IDF shapes layer
+
+TEARDROPDATA     90     90 
+#endif
+
+return 0;
+}
+
+static int pads_write_pcb_(write_ctx_t *wctx)
+{
+	if (pads_write_pcb_block(wctx) != 0) return -1;
+
+	return -1;
+}
+
 static int io_pads_write_pcb(pcb_plug_io_t *ctx, FILE *f, const char *old_filename, const char *new_filename, rnd_bool emergency, double ver)
 {
 	write_ctx_t wctx;
@@ -53,7 +136,7 @@
 
 	fprintf(f, "!PADS-POWERPCB-%s-METRIC! DESIGN DATABASE ASCII FILE 1.0\r\n", vers);
 
-	return -1;
+	return pads_write_pcb_(&wctx);
 }
 
 int io_pads_write_pcb_2005(pcb_plug_io_t *ctx, FILE *f, const char *old_filename, const char *new_filename, rnd_bool emergency)